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Household Sensors & Alarms Categories
Best Choice Daytech 
DAYTECH Door Alarm Sensor Volume Adjustable Door Open Sensor Chime 0-120 dB Window Alarm with 4 Modes for Kids Safety De Volume Adjustable Door Alarm: This door and window alarm is used to alert you when a door or window is opened by 0-120DBDaytech 
Daytech Door Sensor Chime Entry Alert Chime Wireless Door Window Open Alarm with 5 Volume Levels for Home Store Apartmen How This Door Open Sensor Alarm Works: Door sensors are devices that let you know when someone has opened a door. Door sBest Value Daytech 
DAYTECH Door Alarm with Remote, 0-120dB Door Alarm Sensor When Opened Window Security Alert with 4 Working Modes for Kid [Window&Door Open Alarm] This door alarm alerts you when a door or window is opened by emitting a 120 decibel sound, whiMengshen 
Mengshen Motion Sensor Alarm, Wireless Doorbell Alert for Front Door Door Entry Driveway Mailbox Home Shop Visitors with Wireless Motion Sensor: Remote transmission, 280 meters in the open place, suitable for more places,AiBest 
AiBest Home Alarm (12 pcs) - Wireless Magnetic Sensor, 95 dB Burglar Alarm for Doors & Windows Super loud 95 dB alarm. When someone opens the door or window illegally (the relative position of the primary and secondWuloo 
Solar Driveway Alarm Wireless Outside 1800ft Range, Outdoor Motion Sensor & Detector Driveway Alert System with Recharge Reliable & Dependable: 1/3-mile long range (1760 ft.; 536m) tested in real-world settings with trees, buildings, walls,Dogxiong 
4 Pack Security Window/Door Alarm, Door Open Chime, Magnetic Burglar Alert Sensor, Loud Door Alarms for Kids Safety, DIY Big LOUD ALARM – door window sensors loud enough to detects entry, prevent kids and babies going out the house, protectiDaytech DAYTECH Door Alarm Sensor Volume Ajustable Door Open Chime 0-120 dB Window Alarm with 4 Modes for Kids Safety Dementia P Volume Adjustable Door Alarm: This door and window alarm is used to alert you when a door or window is opened by 0-120DBMengshen Mengshen Door and Window Alarm, Anti-Theft Burglar Wireless Alarm with Remote Control for Home Security, Easy to Install Home Security Alarm: Super loud alarm of 105dB, scare thief away,Jectse Water Leak Alarm, 85 DB Household Wireless Water Leak Detector Sensor 9V,ABS Plastic,Flood Spot - Next to Bathrooms, Bas Automatic and high sensitivity. Once its three contactor touches the water, it will immediately send out a 85 dB alarm.HoneTeek Motion Sensor Detector Door Chime for Business Store Entry Alert, Welcome Buzzer Monitor Doorbell Alarm for Home Elderly ✨【Welcome Buzzer Monitor】The owners can use the doorbell to be alerted when people enter or leave. Use it to detect visiGeneric xinyee Tuya WiFi Temperature Humidity Light Detection Alarm Clock 4 in 1 Intelligent Sensors Home Household Desk Bedroom 🧜APP Remotes Monitoring: After connecting the Tuya APP, you can check the data on your mobilephone easily, even if youDaytech DAYTECH Motion Sensor Door Chime, Wireless Doorbell for Business Entry with 3 Working Modes Welcome Infrared Motion Sens 【Motion Sensor Doorbells for Entry】Place the motion sensor at front door, the Receiver will sound to remind you that somGoerpn 2 Pack Ultra Slim Window Alarm - 130dB Vibration Sensor for Security - Glass Break Alert for Home, Office, Dorm Room, RV 【Ultra Thin Window Alarm】A slim, modern shock sensor alarm designed for windows and doors.SECRUI SECRUI Wireless Door Chimes When Entry for Business/Home/Office/Store (500ft Range 32 Chimes Adjustable Volume) Door Ope Easy to Install: The SECRUI door sensor installation operation is simple and does not require the use of any wiring or sWinhon Motion Sensor Alarm,Wireless Motion Detector Door Chime Doorbell for Home Store Business,Caregiver Reminder for Elderly, 【Application】Home Use: Get real-time alerts when someone approaches your house, monitor patient care activities, or keep30% Off meross meross Smart Presence Sensor, Matter Motion Detector with Light Sensor for Home Automation and Security, Pet Friendly, C Matter Multi-platform Compatibility: Use any Matter-supported hub (e.g., Amazon Echo, Google Nest) to control this prese13% Off X-Sense X-Sense Wi-Fi Water Leak Detector Kit, Smart Water Sensor Alarm with App Alerts and Ultra-Slim Design, Water Alarm Leak Never Miss a Leak: When a water leak is detected, a red light will flash on the water leak detector and the base stationMengshen Mengshen WiFi Water Leak & Water Level Detector, 2-In-1 Tuya Smart Sensor Alarm Loud Volume APP Alert Monitoring with 6. 💧【Dual Sensor Water Alarm】2 in 1, including water leak probe and water level probe. It can not only detect water leaks,UanTii UanTii Smart Water Leak Alarm Sensor Tuya WiFi Water Leak Detector Flood Detector with 100dB Loudly Alarm Sound Works wi [APP Remote Control] Works with Smart Life/Tuya Smart App; Receive alarm push remotely at any time through the mobile phSwitchBot SwitchBot Door Alarm Contact Sensor - Smart Home Security Wireless Window Alarm and Door Sensor, Add SwitchBot Hub Mini [Window & Door Alarm Sensor for Home Security] SwitchBot Contact Sensor can detect the opening/closing of doors and windXimimark Ximimark 2Pcs Water Leak Alarm Flood Level Bath Tub Sink Overflow Detector Sensor Home Garage Kitchen Security Alert 120 120dB loud alarm voice, keep alarm to notice you or neighbors until the water dry or sensor turn off, low cost and effecCPVAN CPVAN 125dB Loud Motion Sensor Alarm with 328ft Remote Control (40ft PIR Detector, Batteries), Indoor Wireless Infrared Super Loud and Easy to Use👉 CPVAN Motion Sensor Alarm is designed with 125dB alert device and simple operation, which cEPTTECH EPTTECH Smart TLC 2326-WF-S Tuya APP Efficient Solar Panel Rechargeable Battery Liquid Level Monitor WiFi Water Oil Tank LONG MEASURING DISTANCE: 10cm to 2.9m(4 to 114 inches) from the sensor, which is suitable for different tanks.Betterlink 1/2 Mile Long Range Solar Wireless Driveway Alarm System IP65 Weatherproof Outdoor Motion Detectors&Sensor 120dB Siren S Easy to install and expand: This wireless solar driveway alarm system is easy to install. It can be installed on walls,CHUSHEN Solar Motion Sensor Alarm Outdoor Solar Alarm 120dB Loud Siren LED Strobe Lights Sound Security Alarm Adjustable Sensing 🥁 Solar Energy Alarm Light: this solar alarm strobe light can frighten away intruders and thieves by siren and strobe lShelly Shelly Flood | Wireless Flood Sensor with Temperature Measurement | Home Automation | iOS Android App | Dripping & Leaki Shelly Flood is a smart water leak detector connected by wifi. It can also measure the floor temperature in your home. TMeichoon Meichoon Wireless Motion Sensor Alarm Home Security Alert System Doorbell for Front Door Indoor Room Entry Driveway Mail ✨Wireless Motion Sensor - Remote transmission, 280 meters in the open place, suitable for more placesMengshen Mengshen Wireless Infrared Detector IR Motion Sensor Security Alarm with 2 Remote Control Super Loud: 105db.YaSao YaSao Tuya ZigBee Temperature Humidity Sensors Indoor Detector APP Real-time Monitoring Intelligent Linkage Compatible w 💌[This temperature and humidity detector allows you to better understand the current temperature and humidity, allowingGBULTR 2pcs Window Vibration Alarm Sensor 130dB Siren Ultra Slim Window Alarms Glass Break Security Alert Alarm Sensors Window High Sensitivity Vibration Detection: This dual pack window vibration alarm sensor is designed to detect even the slightHENDUN HENDUN Motion Sensor Doorbell, Door Chime for Business, Store Welcome Buzzer Monitor, Commercial Door Entry Alert,Motion ✅EASY, FAST, WIRE FREE INSTALLATION door sensor detects motion and sends a signal to the receiver. You may want to takeMETAK 5 Pack Water Leak Detectors for Home, 100dB Water Sensor Alarm for Basement, WD60 Flood Leakage Detection Devices for Pi Leaking & Dripping: 2 water sensitive probes on the front for monitoring pipe/drain drip and 4 rear probes for detectionEve Eve Door & Window (Matter) – Smart Contact Sensor for Doors & Windows, Automatic Control of Accessories, Matter & Thread Check your door or window: See the current open/closed state at a glance. Create automations to control other connectedUanTii UanTii Tuya WiFi Door Window Detector with Light Sound Alarm Wireless Door Alarm Sensor for Home Security Smart Home Doo 【No hub required】The window Door alarm sensor works with directly Tuya Smart/Smart Life App and Alexa Google Home, no huPrice Xes Wireless Home Security Alarm System DIY Kit - Magnetic Sensor - Guardian Protector - Window Glass Vibration Security Bur ✔Magnetic sensor switch detects entry protecting your home or office whether you are in or out.CPVAN CPVAN 125dB Loud Motion Sensor Alarm with 328ft Remote Control (40ft PIR Detector, Batteries), Indoor Wireless Infrared Super Loud and Easy to Use👉 CPVAN Motion Sensor Alarm is designed with 125dB alert device and simple operation, which cS SELDORAUK S SELDORAUK Dog Barking Alarm Motion Sensor - 1000 Feet Wireless Home Security Driveway Alarm Kit (1Receive+1Motion Dete 【6 Realistic Dog Barks sounds】 : 6 dog barking choices in big volume .The motion detector very sensitive,Pir human bodyLancoon Lancoon WiFi Water Level Detector Tuya Smart Sensor Alarm Dual Probe Loud Volume APP Alert Monitoring with 6.5 Feet Dete 💧【Water Level Probe Version】Designed for water level management of water tanks, cisterns, fish tanks and other containeUanTii UanTii Tuya WiFi PIR Motion Sensor Movement Detector Alarm Smart Life APP Wireless Home Security System Compatible with 【APP Remote Control Tuya WiFi Motion Sensor】Simple download APP "Smart Life/Tuya Smart" in App Store or Google Play addDaytech DAYTECH Freezer Door Alarm with Delay 1/2/3/4 mins When Left Open Window Chime Close Reminder Refrigerator Door Alarm 0 Freezer Door Alarm When Left Open: When the alarm and magnetic sensor are separated by more than 0.6inch(1.5cm), The alaMODUN D Gas Detector Alarms for Home, LPG | Natural Gas | Coal Gas Leak Detector Alarm, Methane Propane Detector Butane Combusti 【Protect your families】-- When combustible gas leak (kitchen methane/natural gas/camping propane) exceed the standard, tGeneric 2 Pack Wireless Home Alarm with 4 Remote Control 105db, PIR Motion Sensor Anti-Theft House Security, for Driveway Shed G WIDE RANGE OF USES - Motion detection is an essential part of any home security solution. The sensors in this system useGeneric Propane Detectors for Home - High Sensitivity Leak Alarm | 12V High Sensitivity RV Propane Alarm | Leak Detection for Ho ✈Constant Protection: Suitable for any place where a 12V power supply is present, this propane detector ensures ongoingBUBUCAM WiFi Water Leak Detector, Smart WiFi Water Detector, APP Remote Control Water Sensor for Kitchens, Basements, Sinks, and *Smart Life APP: Monitor and detect water leaks remotely via the Smart Life mobile app, provide timely notifications andGeneric Solar Outdoor Motion Sensor Alarm,Red Blue LED Flashing Warning Security Strobe Light 129db Dual Speaker Loud Noise Make 【Solar Sensitive PIR Motion Sensor Alarm Strobe Light】The solar sound alarm siren with led red blue strobe light have 4X-Sense X-Sense Wi-Fi Water Leak Detector, Smart Water Sensor Alarm, Water Detector Alarm with 1700 ft Transmission Range for Ki Ready to Use: Download the app, connect the devices to the app via the 2.4 GHz Wi-Fi network (incompatible with 5 GHz) aMTI MTI Industries 30-442-P-WT Propane Gas Alarm – White style: flush mount; color: whiteMETAK WiFi Water Leak Detector for Home with App Notification, 1 Gateway + 6 WD61 Sensor, 120dB Water Flood/Drip Alarm for Bas [APP Notification] When the water leak detector senses a leak, the 2.4GHz WiFi gateway instantly sends real-time alertsSYNLETT SYNLETT Bed Alarm Caregiver Pager with Wireless Motion Sensor Alarm Indoor Fall Prevention for Elderly Monitoring Senior PORTABLE BED ALARM DEVICE: The portable bed alarms and fall prevention for elderly device is applicable at various areasXUMIUZIY Wireless Vibration Alarm, Door/ Open Alarms, 120dB High Tone Alarm Sound, Home Security Sensor, Anti-Theft Alarm for Hom 120DB ALARM SOUND: Wireless door alarm will sound a high pitched alarm up to 120dB upon detecting a vibration, scaring aeMagTech eMagTech Water Leak Sensor Water Leak Sensor Detector 120dB Water Leak Alarm Detector Water Overflow Alarm Detector for Powerful Alarm: Boasting an ear-piercing 120dB alarm sound, the device ensures attention and action. The alarm persistsSYNLETT SYNLETT Caregiver Pager 2 Wireless Call Buttons 1 Motion Sensor Alarm Indoor for Elderly Monitoring Fall Prevention Bed PORTABLE CAREGIVER PAGER: This wireless caregiver pager system comes with 2 wireless call buttons, 1 motion sensor alarmMETAK Water Leak Detector Sensor Alarm: Home Water Flooding Monitor Smart Sink Overflow Monitoring Adjustable Wet Moisture Ale Drip & Leak Alerts: Water leak detector alarm is designed with 4 rear water leakage detection probes and 2 front drip prSPARTHE SPARTHE Gas Leak Detector Alarm for Caravan, Boats Gas Detector-Accurate detection and security protection.Fast response, high-pitched alarmEMOS EMOS P56300 THS916A Wireless Heat Alarm Battery Operated Heat Detector with Optical and Acoustic Signaling 85dB 10 Year Safe home: the heat detector triggers an alarm as soon as the ambient temperature reaches more than 54°C. So you can proHULPPRE HULPPRE Solar Outdoor Motion Sensor Alarm-129db Loud Siren Lamp Noise Maker, 4 Working Modes Strobe Light with Remote,Sa (Keep your families safe and Say goodbye to the unwanted "explorers"): Scare away the intruders to your house,and We undHoneTeek Wireless PIR Motion Sensor Detector Home Store Welcome Buzzer Security Alarm Chime for Business Mailbox Front Door Entry ✨【Welcome Buzzer Monitor】The owners can use the doorbell to be alerted when people enter or leave. Use it to detect visiGeneric Natural Detector - RV Alarm Sensor, High Sensitivity 12V Leak Alarm | LPG Natural Leak Detection LPG Alarm Monitor Senso 【Audible Alarm】Equipped with a sensitive sensor, our propane detector helps reduce concerns about accidents protecting yGeneric Leak Alarm – Compact Detection Monitor, Auto RV Warning Sensor | Methane Propane Alert Device, Trailer Safety System, 12 High Decibel Audible Alarm: Our propane detector provides peace of mind by detecting leaks and sounding an audible alarmVITITE Carbon Monoxide & Combination Gas Detector, 4 in 1 Plug in CO, Natural Gas, Propane, Temp and Humidity Gas Alarm; Design 4-in-1 Combination Gas Detector: The YC302 Pro+ uses high-precision sensors to monitor CO, natural gas, propane, temperaGeneric Motion Sensor Alarm - 3 Modes Motion Activated Alarm Perimeter Defense Device - Portable Camping Security Tools Early Wa Ideal Protection: This perimeter alarm can protect homes, campsites, and property by setting perimeters around areas, seintendvision Gas Leak Detector - Natural Gas Detector Portable Handheld Gas Sniffer with Audible & Visual Alarm, Sensitivity Adjustab 【Portable Gas Leak Detector】This portable pen type gas leak detector can detect a large number of flammable gases, likePomya Wireless Security Keypad Alarm System, PIR Motion Sensor Alarm Password Keypad Remote Infrared Detectors with Panic Butt This Motion Sensor Alarm is for protecting your property against unwelcome intruders.meross meross Smart Water Detector Hub Needed, Leak Detector with App Alert, Smart Water Alarm Replaceable Batteries, Interlink Meross Hub Required - Package does not contain hub. Please get a Meross hub first. Meross offers a variety of smart prodWakects Wakects STC-1000 Digital Temperature Controller -50°C to 99°C Alarm Intelligent Thermostat LED with Sensor AC110V-220V Switch the modes between cool and heat, support both cool andLSENLTY LSENLTY Portable CO2 Detector, 2 Seconds Update, High Precision CO2 Monitor, 3-in-1 CO2 Meter (Temperature, Humidity and Portable Carbon Dioxide Detector The product is compact size (Size:3*2.7*1.2 inch) and equipped with a strap design, whimeross Meross Smart Water Detector WLAN Water Alarm 3 Pieces for HomeKit, Water Sensor with Hub Compatible with Apple Home, Ale Remote monitoring and automation: compatible with Apple HomeKit, Alexa and SmartThings, easy to set up, monitor water leAzdBvae High / Low Water Level Sensor Detector Alarm 120 dB Red Strobe Siren, Adjustable Alarm Volume, Sump Bobber Water leak Se 【High and Low Dual Probe Sensoe Design】- It can detect water shortage(low level) or overflow(hige level). You can chooseTapo TP-Link Tapo Smart Water Leak Detector, Requires Tapo Hub, Water Leak Sensor Wi-Fi with Rapid Dripping Detection, 90dB A 【1-Second Rapid Detection and Response & Dual-Side Sensing】Featuring six highly sensitive sensor probes, Tapo T300 triggMengshen Mengshen Motion Sensor Alarm, Driveway Entry Alert Support 5 Modes, 36 Tunes, Long Transmission Distance (Remote Control 5-In-1 Multifunctional: Receiver has 5 modes, Welcome/ Doorbell mode(36 Tunes available)/ Alarm/ Colorful light/ Night LEVA LOGIK Window Alarm 4 Packs - Loud 120dB and Vibration Sensors Compatible with Virtually Any Window - Glass Break Security Sens Specialized Window Alarm System: This window alarm is specifically designed to offer security to glass windows in your hLETWESAF Wireless Radar Motion Alarm System - 1/2 Mile Range, Hideable Motion Detector, IP65 Waterproof, Rechargeable Battery - I 𝐀𝐝𝐯𝐚𝐧𝐜𝐞𝐝 𝐑𝐚𝐝𝐚𝐫 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲: This smart motion sensor alarm system uses millimeter-wave radar for sHomoyoyo Homoyoyo High Sensitivity Water Leak Detector for Basement and Bathroom Overflow Monitoring Device with Audible Alarm Du Water leak alarms for home:high sensitivity let this water leak detector has timely detection of water level changes, muTihebeyan Sensor Alarm Light Alarm Light Duration for Toilet Hospitals (#2) [Warning effect] High section and bright light for effective alerts.Risinglink Risinglink Smart Water Level Monitor, WiFi-Enabled, Text/Email Alerts, Indoor/Outdoor Detector, Battery Powered, Stainle Easy Setup: No need for apps or hubs, simply connect the device to your WiFi network(Note: only 2.4GHz WiFi supported).Emerald Planet RF Interconnect Photoelectric Smoke Alarm with 10 Year Lithium Battery | Emerald Planet Ranger (EP-RANG-RF-10) 10-year 3V lithium batteryEPTTECH EPTTECH Smart TLC2326P Remote Detector Display Screen Tuya Smart Life Mobile APP Liquid Water Oil Fuel Level Tank Monito HEALTHY CHOICE Healthy Choice 60-Liter Auto Sensor Trash Bin - Wave Your Hand for Auto Open/Close, Waterproof Lid, Optional Manual Oper Auto Sensor Operation: Simply wave your hand over the sensor to automatically open and close the lid, providing a touch-Meichoon Meichoon Door Window Alarm for Home Security Sensor Wireless Anti-Theft Burglar DIY Protection Ideal for Pool Garage Off 🔊Multi-funciton Security Alarm - It has the function of arm, disarm, emergency alarm and doorbell, widly meet your demaEPTTECH EPTTECH TLC2206 Tuya Smart Life Mobile APP Wireless WiFi Remote Ultrasonic Real-time Reminder Contactless Outdoor Waterp LONG MEASURING DISTANCE: 10cm to 3.0m(4 to 118 inches) from the sensor, which is suitable for different tanks.KOQICALL KOQICALL Solar Alarm Moiton Detector 120 dB Adjustable Volume Strobe Light Audible Security Alarm IP65 Waterproof Outdoo 【Two Charging Methods】The mobile detector is powered by rechargeable lithium battery. The mobile detector can be chargedWuloo Wireless Driveway Alarm 1800 Feet Long Range Motion Sensor Alert System Driveway Detector for Home with 1800mAh Recharge Reliable & Dependable: Guaranteed 1/3-mile long range (1760 ft; 536m) tested in real-world settings with trees, buildingEnegg Motion Sensor Detector Entry Alert Alarm, Shop/Store/Office/Home Home Security Welcome Chime Wireless Infrared IR Doorbe ⭐ 5 in 1 multi-mode: welcome/doorbell/alarm/color light/night light.FUNFANG Tuya ZigBee Intelligent Vibration Drop Sensor Detector Real Time Motion Vibration Alarm Sensor Tuya APP Remotely Control 📍【Intelligent Linkage】: The vibration sensor can be used in conjunction with a variety of Tuya products to realize wholLancoon Lancoon Door Alarm with Remote 2 Pack, Wireless Home Security Window Open Magnetic Sensor Burglar Alert for Home Garage 🚪 105dB Loud Alarm: Alarms can be mounted on all kinds of doors and windows. Once triggered, loud alarm will effectivelS SELDORAUK S SELDORAUK Motion Sensor, PIR Dog Barking Alarm Chime Alert Doorbell Guard Wireless Infrared Detect Deceive Wall Mounte 【6 Realistic Dog Barking & 11 Voice】Our Alarm has 11 Doorbell Ring chime including 6 barks and 1 alarm, 2 ding dongs, 1Lancoon Lancoon Water Leak Alarm with 1.1m Probe 65-120dB Adjustable Sound Stainless Steel Sensor Low Battery Alert for Basement 💧【Advanced Water Detection Technology】Our water detector alarm features a 1.1-meter immersion detection line and stainlSCS Direct Water Leak Monitoring Sensor with Alarm 1 Pack - Leak Bug Electronic Water & Flood Leak Detector - Detects as Little as Water Alarm - The Leak Bug and Puppy finds leaks before costly damage occurs to your home.EPTTECH EPTTECH Smart TLC 2326-WF-S Tuya APP Efficient Solar Panel Rechargeable Battery Liquid Level Monitor WiFi Water Oil Tank LONG MEASURING DISTANCE: 10cm to 2.9m(4 to 114 inches) from the sensor, which is suitable for different tanks.EPTTECH EPTTECH Smart TLC 2326-WF-S Tuya APP Efficient Solar Panel Rechargeable Battery Liquid Level Monitor Wifi Water Oil Tank LONG MEASURING DISTANCE: 10cm to 2.9m(4 to 114 inches) from the sensor, which is suitable for different tanks.HEALTHY CHOICE Healthy Choice 70-Liter Auto Sensor Trash Bin - Wave Your Hand for Auto Open/Close, Waterproof Lid, Optional Manual Oper Auto Sensor Operation: Enjoy hands-free waste disposal by simply waving your hand over the sensor to automatically openKOQICALL KOQICALL Motion Sensor Alarm Outdoor 120dB Loud Siren Sound Strobe Lights Security Alarm Adjustable Sensing Distance Rec 【Two Charging Methods】The mobile detector is powered by rechargeable lithium battery, can be charged by solar energy orGeneric Air Quality Sensor Module - High Precision Air Quality Detection Sensor,Portable Dust Sensor, PM2.5 Concentration Sensor Precise Design: By utilizing our Dust Sensor Module, you can detect PM2.5 concentration in the air with high accuracy, mSlaige Motion Sensor Doorbell for Business Entry, Store Welcome Buzzer Monitor, Outdoor Door Chime Kit: Infrared Motion Sensor ✨【Easy, Fast, Wire Free Installation】 Infrared sensor detects motion and sends a signal to the receiver. Chose from 36 RJectse High Sensitivity Gas Monitor with 4 in 1 Measurement Rechargeable Battery, Sound Light Vibration Alarms, Backlit Display [Multiple Charging Options] This gas tester is rechargeable and can be charged using USB from a computer, car, power banHTZSAFE Driveway Alarm System- HTZSAFE 1/2Mile Solar Driveway Alarm System- Up to 70FT Wide Sensor Range- Fully Weatherproof Out SOLAR POWERED NO NEED REPLACE BATTERIES - The solar wireless driveway alarm system includes the solar powered driveway sCryfokt Infrared Gate Beam Detector, Alarm Beam Sensor Adjustable Anti Theft Low Battery Reminder for Indoor Outdoor 【HIGH SENSITIVITY, WATERPROOF 】 Lens-type optical elements enhance the beam , have good to false alarms caused by rain,Spacnana Digital Temperature Controller Mini Refrigerator Thermostat with Sensor Probe for Various Household Applications [WIDE RANGE OF USE] The temperature controller is suitable for refrigeration industry, cold storage, refrigerated cabineEPTTECH EPTTECH Smart TLC2326 Tuya Liquid Level Monitor APP Oil Water Indoor IP65 Alarm Sensor Household Indicator Ultrasonic We LONG MEASURING DISTANCE: 10cm to 2.9m(4 to 114 inches) from the sensor, which is suitable for different tanks.