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Best Choice LEVANLIGHTING 
LEVANLIGHTING 2pcs 5V 1 Channel Relay Module|Relay Switch with OPTO Isolated High and Low Level Trigger The module adopts genuine relays and normally open interfaces. Maximum load: AC 250V/10A、DC 30V/10A.YIQFOCA 
5 Set 3V 1 Channel Relay Power Switch Board, High Level Driver Optocoupler Module Isolated Drive Control Board for ESP82 You will recevie 5Pcs 3v Relay 1 Channel power switch module compatible with 10A 250VAC and 10A 30VDC load.5pcs * 2.5 mm
12V/24V 40A/80 AMP Automotive Car Truck 4/5 Pin Changeover Relay Switch (1x Automotive Changeover Relay(without fixing bracket or with bracket as your choosing ). 1) 40A/80A Switching Current,MURANCLOUD 
DC 12V 40A Relay Remote Control Switch, 1CH Universal 433Mhz Remote Control Wireless Latching Function Switch for Indust Working Voltage: DC12 V ; Max load current: 40 A ; Working frequency: 433 Mhz
6 Pack 4-Pin 12V Fused Relay Switch Kit Automotive Relays with Fuse for Auto Car Built in fuse socket with included 30A blade fuse. 30A High Switching Capability. Set includes 6 relays, 6 relay harnessDIGISHUO 
DIGISHUO 2pcs 5V 1 Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger (2Pcs 5V 1 Channel Relay The module uses genuine quality relay, normally open interfacesBest Value BIGTEDDY 
12V DC Adjustable Timer Switch Module Time Delay Relay NE555 - Stock 100% Brand new and high quality12V Car Remote Battery Disconnect Switch Cutoff Battery Relay with Anti-Leakage The standby current is 3mA, which is more energy-saving. 1 Set x Battery Disconnect Switch. It can effectively protect aDaXuTech Wireless Remote Switch,Smart Home 433Mhz DC 12V 1CH Wireless Remote Switch Relay Receiver Transmitter Universal Remote C 💡-Very convenient to use, simple wiring diagram connection way.5Pcs 12V/24V 40A Automotive Car Truck Harness 4/5 Pin Changeover Relay Switch AU Rated current: 40A. Including 5pcs automotive relay. Features: 1. High switching capability automotive relay, waterproofDaXuTech Wireless Remote Switch,Smart Home 433Mhz DC 12V 1CH Wireless Remote Switch Relay Receiver Transmitter Universal Remote C 💡-Very convenient to use, simple wiring diagram connection way.meross meross Matter Smart Switch, in-Wall Relay Module with Energy Monitor, SAA & RCM Certified, Wi-Fi Smart Light Switch Comp Matter Multi-platform Compatibility: Matter’s seamless integration lets you choose the ecosystem freely. Control the Mat12V Delay Timer For NE555 Monostable Switch Relay Module Adjustable Module Properties: for NE555 chip. Simple circuit design. Including the power indicator LED and the switch trigger timinDIANN DIANN 10pcs DC 5V Relay Module 1 Channel Relay Board with Optocoupler Support High/Low Level Trigger Relay Board Maximum Load: AC 250V/10A; DC 30V/10A With Power and Relay Action Indicator;Trigger Current: 5mARemote Car Battery Disconnect Relay Master Kill Cut-off Switch Isolator 12V 240A Rated Current: 240A. It can maximize the storage of car battery power, effectively protecting and extending lifespan. TyANXYULEN Car Relay with Harness, 5 Pin 80A 12V On/Off Normally Open SPST Relay Socket Plug, Model JD2912-1Z-12VDC 80A 14VDC, Auto 【Premium Quality】Car relay with harness is made of high-quality metal and plastic material. The metal has excellent elec12V 40A Automotive Relay Switch 4 Pin Changeover For Car Truck - JD1912 22% Off meross meross Wi-Fi Relay WLAN Switch, Relay Module for Smart Home, Compatible with Apple HomeKit, Alexa and Hey Google, Surfac Smart Switch: meross relay module fits into any standard electrical box and can be surface-mounted/flush-mounted. Upgrad6 Pack 4-Pin 12V Fused Relay Switch Kit Automotive Relays with Fuse for Auto Car Built in fuse socket with included 30A blade fuse. 30A High Switching Capability. Set includes 6 relays, 6 relay harnessMHCOZY MHCOZY 1 Channel USB 5V AC/DC 7-32V Smart WiFi Wireless Dry Contact Relay Switch Module,Tuya Smart Life app Remote Contr WIFI app remote,Works with tuya/smart life app,doesn't support ewelink app easy to setup with low voltage 5V 12V 32V,dry433MHz Remote Control Relay Switch 500m Long Range Wireless Remote Switch Frequency: 433mhz. The Indicator Light Flashes Twice In A Row. The Indicator Light Will Flash Once. Press It Once To TurWakects Heavy Duty Car Starter Relay DC 12V 100A Normal Open Car Relay Electrical Relays Switch - Dustproof Design & 4-pin Relay 【Efficient Battery Control】: The 12V 100A Normal Open Heavy Duty Car Starter Relay offers reliable control over your bat6-30V Time Relay Module Switch Trigger Timer Cycle Trigger Source : High-level trigger (3.0V-24V) with optocoupler isolation for enhanced anti-jamming; supports non-commonTiiyee DC 12V Timer Module, Timer Switch Module Adjustable Timer Delay Turn Off Module Timing Relay Time Switch for Timer Opera [Delay Relay]: Turn on the power of the module, press the button once, and the relay is connected (normally open and comBattery Switch Relay 500A Remote Control Battery Quick Cut Off Isolator Switch ※Enhanced Battery Protection: Ensure the longevity of your car battery by using the master kill cut-off switch isolator,aikoolwer aikoolwer 2pcs DC 12V 100A Car Starter Relay Switch 2 Pin Terminals Car Power Relay Battery Cut-Off Relay Peak Load Auto What You Get:You will receive 2 pcs heavy duty 4-pin SPST relay and the accessory terminals included.12V DC switch relayGRT8-EC On Delay & Off Delay Timer Relay Time Delay Relay Switch 10A DC24 AC220V Safety Relay. Monitoring Relay. Current Monitoring Relay. Motor Protection Relay. Solid State Relay. Electromagnetic Rel10% Off DaXuTech Wireless Remote Switch,Smart Home 433Mhz DC 12V 1CH Wireless Remote Switch Relay Receiver Transmitter Universal Remote C 💡-Very convenient to use, simple wiring diagram connection way.UNIVERSAL 100A AMP DUTY RELAY SWITCH STARTER SOLENOID 12V VOLT NEW Amperage: 100A. 1x Solenoid Relay Switch. 4" Exhaust Fan Blower Window Industrial Hydroponic Bathroom Ventilation AU PluDaXuTech Wireless Remote Switch,Smart Home 433Mhz DC 12V 1CH Wireless Remote Switch Relay Receiver Transmitter Universal Remote C 💡-Very convenient to use, simple wiring diagram connection way.UNIVERSAL 100A AMP CONTINUOUS DUTY RELAY SWITCH SOLENOID STARTER 12V VOLT ABR 100 AMP 12 VOLT DC SOLENOID. SOLENOID IS SEALED AND HAS HEAVY DUTY 8mm CONNECTIONS. (100AMP) SEE PHOTO. NEW HEAVY DUTY SYDuupxe YDuupxe Timer Relay Module DC12V Adjustable Relays Time Delay Timer Module LED Display Delay Turn Off Switch Switch Module Timer-Actuator ConnectTrigger to connect, and will disconnect after delay time; if Actuator during delay t12V 240A Remote Car Battery Disconnect Relay Master Kill Cut-off Switch Isolator Rated Current: 240A. It can maximize the storage of car battery power, effectively protecting and extending lifespan. Tyelechawk RC Remote Controlled AUX on/Off Electronic Switch Relay for Car Truck Boat LED Light Drone (4A) Package include a RC switch and a JST to futaba/JR adapter. This RC switch can be connected to receiver AUX channel or oelechawk RC Remote Controlled AUX on/Off Electronic Switch Relay for Car Truck Boat LED Light Drone (8A) Package include a RC switch and JST male and female cables. This RC switch can be connected to receiver AUX channel or oMURANCLOUD DC 12V Wireless Remote Control Switch, 433Mhz 10A 1CH Relay Remote Control Switch (2 Transmitter and 1 Receiver)，Transmi Working Volage: DC12 V; Working Temperature: -40 degrees + 80 degrees; Receiving Sensitivity: -108 dBm or more; WorkingREDPINGUO Wireless Remote Switch,AC110V/120V/240V/ Relay RF Remote Control Light Switches for Pump Security Systems with 500 metre High Power Load:The receiver adopts 30A relay, which can load high-power electrical appliances to ensure long-term stabiMHCOZY MHCOZY 1 Channel 12V ZigBee Smart Relay Switch, Adjustable Selflock and Inching Mode, Works with Tuya eWelink Zigbee Gat Widely compatible – supports Alexa and SmartThings Hub and works with Echo Plus 2. 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Signal of the wireless RF switch can pass tMURANCLOUD DC 12V Universal Wireless Remote Control Switch 433Mhz 2CH 10A Relay Receiver Module with 2 Channel Remote Transmitter D Working Voltage: DC12 V; Max load current: 40 A; Working frequency: 433 MhzYINETTECH YINETTECH 2PCS 5 Pin Automotive Relay Replacement G8V-RH-1C7T-R-DC12V SPDT Car Relay Switch Auto Relay Contactor for Aut Replacing OEM numbers:G8V-RH-1C7T-R-DC12, which is a direct replacement for the old or broken one.YRANZO 12V Starter Relay Solenoid Switch for OMC for Mercury for Sierra Marine for Johnson Evinrude Outboard 18-5808 3217124 38 Fits: For MERCURY MARINE: 47886 47886T For OMC OUTBOARD MARINE: 383622 395419 582708 586180 For SIERRA MARINE: 18-5808Senzooe 5PCS DC 5-36V Digital LED Relay Board Dual-MOS Trigger Cycle Timing Circuit Switch Timer Delay Module 5PCS DC 5-36V Digital LED Relay Board Dual-MOS Trigger Cycle Timing Circuit Switch Timer Delay ModuleEosnow Mini Relay Remote Momentary Switch, Small RF Transmitter 433MHz Control Switch PCB for Home with Smoke Sensor Alarm, 100 Application: RF remote control switch is mainly used in switches, lamps, relays, remote controls, circuit boards, speakeMHCOZY MHCOZY 4 Channel Smart WiFi RF Bluetooth Wireless Dry Contact Relay Switch Module,Phone app Remote Control,Compatible wi Bluetooth WIFI Gate opener Relay,Smart life tuya app wifi remote& 433Mhz RF&Bluetooth remote 4 Channel Smart Relay.EasyGeneric DC 12V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger Fault-tolerant design, even if the control line is broken, the relay will not move.Veumoie Veumoie Tuya Wifi 30A Relay Module 85-250V Smart Switch DIY 433MHZ Controller APP Voice Relay Remote Control Supports remotely turn on or off connected appliances, for example light, electric kettle, electric rice cooker, electriSpacesea Spacesea 12V 100Amp 4-Pin Heavy Duty ON/OFF Switch Split Charge Relay For Auto Boat Van Black Heavy-Duty Performance: Our 12V 100Amp 4-Pin ON/Off Switch Split Charge Relay is designed to handle power demanding applfasient DC 6-30V Digital LED Relay Board Cycle Timing Circuit Switch Timer Delay Trigger Module Micro USB 5V 6-30V input voltage range, support micro USB 5.0V power supply, convenient to useaikoolwer aikoolwer Automotive Relay Switch Harness Kit 24V 40A SPDT 5 Pin Waterproof Heavy Duty Tinned Copper Wires Bosch Style C 24V 40A SPDT Relays - Composite housing with silver-alloy contacts and copper coilsMURANCLOUD DC 12V 24V 36V Wireless Remote Control Switch 433Mhz 4CH Remote Relay Receiver with 2 Transmitters for Garage Door Opene 4 Channel For Wireless Control: the remote switch is a learning switch, it can learn different coding remote controls (sShelly Shelly 1 Gen4 WLAN Smart Relay Switch, Potential-Free Contact, 1 Channel, 16 A, Light Switch, Garage Door Opener, Smart 1-cane power supply: supports up to 16 A at 240 V AC or 10 A at 30 V DC; fits behind wall switches or in junction boxesMURANCLOUD DC 12V 10A Relay Remote Control Switch, 433Mhz 4 CH Universal Remote Control Momentary Wireless Switch for Wireless Cont Product Parameters: Working voltage: DC12 V; Working frequency: 433 Mhz; Max load current: 10 A(Output current: Less thaGeneric Generic 12V Universal Car LED Fog Light Switch Kit, Stable On/Off Switch Wiring Harness Fuse Relay Kit with 10.7ft Cable [Illuminated On/off Rocker Switch] - Easily control your fog lights with the illuminated switch for convenience and safeSenzooe 5PCS XH-M131 photosensitive Resistor Module Brightness Automatic Control Module Light Relay Switch (12V) 5PCS XH-M131 photosensitive resistor module brightness automatic control module light relay switchMHCOZY MHCOZY 4CH WiFi RF Wireless Switch Relay,Inching Self-Locking Interlock Mode,for Access Control Smart Garage Door,Compat Easy to setup,4CH WIFI Wireless Smart Switch,working power DC 5V or AC/DC 7-32,support 2.4G wifi onlymeross meross Matter Smart DIY Switch with Energy Monitor, 16A Relay Wi-Fi Light Switch 2 Pack Works with HomeKit, Alexa and Go Safety Design & Easy DIY Installation: Handles up to 16A current and is made of PC V0 flame-retardant material, ensuringSenzooe 5PCS XH-M131 photosensitive Resistor Module Brightness Automatic Control Module Light Relay Switch (12V) 5PCS XH-M131 photosensitive resistor module brightness automatic control module light relay switchEjoyous Ejoyous DC 12V 80A 5 Pin Relay, Car AMP Split Charge Relay Electrical Relays Switch for Automotive Truck Boat Marine [Heavy Duty on off Relay] Engineered for heavy duty performance this make or break relay is ideal for high current appliCHUSHEN CHUSHEN 1CH Zigbee Mini Smart Switch Relay Module, 2 Way Control, WiFi Switch, Alexa, Google Home Compatible 🥁 【Mini Body】Designed mini body, which suits for most of amounting boxes, switches and wall sockets.Shelly Shelly 1 Mini Gen3 | WiFi & Bluetooth Smart Switch Relay 1 Channel 8A | Home Automation | Compatible with Alexa & Google Shelly 1 Mini Gen3 is a WiFi & Bluetooth smart switch relay, 1 channel 8 A Equipped with a new processor & increased flaOEBUAFI OEBUAFI 12V Heavy Duty Car Starter Relay 4 Pin On/Off Switch RL/180 200A for Small Crane/Harvester [VERSATILE RELAY] Functions as a start relay for a wide range of applications.Nikovoke 2Pcs 3V Relay Module Switch Board, 1 Channel Optocoupler Module with Isolation Control, Compatible for IoT ESP8266 and A [Rapid Response Time] This 3V Relay Module Switch Board features an ultra-fast response speed of less than 20 milliseconChiffonade Chiffonade DC 12V 4-Channel RS232 Relay Board - Remote Control UART Serial Port Switch for Car Motor Industrial Control, 4 Channel Relay Control: Operate multiple devices simultaneously with 12V DC power input and 10A maximum load capacity pAribrnten Aribrnten 4CH Tuya Zigbee Smart Switch Module 85-250V Relay Smart Home Remote Control Works with Gateway for Home Replac This product is a wireless switch that supports inching/self-locking mode/interlocking mode. Users can add devices to ZiECSiNG ECSiNG 12V 4 Connections Starter Solenoid Lawn Mower Magnetic Switch Ride-on Mower Starter Relay Switch for Quads Lawn M Starter Magnetic Switch: Crafted from high-quality metal materials, this magnetic switch is built to last, offering duraReland Sun 5pcs 6-30V Relay Module Switch Trigger Time Delay Circuit Timer Cycle Adjustable 5pcs 6-30V Relay Module Switch Trigger Time Delay Circuit Timer Cycle AdjustableMHCOZY 4 Channel WiFi Momentary Inching Relay Self-Lock Switch Module,DIY WiFi Garage Door Controller (5-32V) Voice Control,works with Alexa Google Home Nest IFTTT, Link "eWeLink Smart Home Fan" capability. 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Remote control and receiver are paired and tested before shipmentBIGTEDDY 4X 12V DC Adjustable Timer Switch Module Time Delay Relay NE555 - Stock 100% Brand new and high qualitySenzooe 5PCS XH-M131 photosensitive Resistor Module Brightness Automatic Control Module Light Relay Switch (5V) 5PCS XH-M131 photosensitive resistor module brightness automatic control module light relay switchShelly Shelly Plus 1, WiFi & Bluetooth Smart Relay Switch, Home Automation, Alexa/Google Home Compatible, iOS Android App No Hu Shelly Plus 1 is a Wi-Fi and Bluetooth controlled intelligent relay switch with 1 channel and up to 16 A, which can alsoMHCOZY MHCOZY WiFi Wireless Smart Switch Relay Module for Smart Home 5V/12V，WiFi Momentary and Self-Locking Relay,Be Applied to WIFI app remote and voice control,and extra 433Mhz RF control,Automate your Garage to WIFI Smart Garage Door Opener,no hMHCOZY MHCOZY WiFi Wireless Smart Switch Relay Module for Smart Home 5V/12V，WiFi Momentary and Self-Locking Relay,Be Applied to WIFI app remote and voice control,and extra 433Mhz RF control,Automate your Garage to WIFI Smart Garage Door Opener,no hAKLOSIPY AKLOSIPY DC Current Detection Module Relay Switch Sensor with Digital Display for Motor Control 7-30V 10A Control - This advanced DC current detection module features an intelligent relay switch that automatically connects andLrocaoai USB Relay Module USB Intelligent Control Switch USB Switch for LCUS-1 Type Electronic Converter LC USB Switch Communication Protocol:MHCOZY MHCOZY 4 Channel Smart WiFi Wireless Dry Contact Relay Switch Module USB 5V AC 85-250V, Tuya Smart Life App Remote Contr WIFI RF Bluetooth 220V Smart Clean Contact Relay, WiFi Remote Control of Smart Life APP Yours, and 433Mhz RF Bluetooth RGeneric THC15A Digital LCD Power Programmable Timer Switch Relay 16A Amp Electronic Weekly 7 Days 16 On & Off Relay Timer Contro ⭐7 Day Digital Programmable Timer -- Digital electronics general purpose time switch with daily and weekly programs (10MURANCLOUD DC 12V 24V 36V 48V Wireless Remote Switch New 2 CH Multi-Function Remote Control Switch, 433Mhz Transmitter with Receive Working voltage: DC12 V; Max load current: 40 A; Working frequency: 433 MhzReland Sun Timer Relay Module AC 220V Adjustable Timer Delay Switch Turn On Off Time Relay Module for Control Voltage (0-100Min) ?High Precision Module?: This Adjustable Timer Delay is a timer relay module with high precision, and has stable and relMHCOZY MHCOZY WiFi Wireless Smart Switch Relay Module for Smart Home 5V/12V，WiFi Momentary and Self-Locking Relay,Be Applied to Low voltage ewelink app wifi dry contact relay/passive output,input 5v only,USB 5V or screw terminal port 5V.Dpofirs 6 Channel Wireless Remote Control 433MHz 12V Transmitter and Receiver Relay Switch Kit for Lighting Control, Smart Home MULTIPLE CONTROL: The controller adopts the independent programming of single chip microcomputer to realize functional d32% Off Jectse LAN Ethernet Controller Module, TCP/UDP Controller Module with 2-Way Relay Board Delay Switch DC for Replacement of Web Industrial grade STC microcontroller as the main control chipReland Sun 30A 40A XH-M138 high current switch board relay board 12V input switch control 30A output (40A) Input Voltage DC: 12VTiiyee Multifunction Button Stickers for Cars Luminous Light Stickers Switch Relay Decoration Rocker Switch Labels for Circuit Illuminated Car Stickers for Practical and Decorative Use: Illuminate your car's interior with luminous stickers designeNilight Nilight Ignition Switch Panel 12V 5 in 1 Rocker Switch with Engine Push Button Toggle Switches with Relay Wiring Harness Great Design: The switch panel is made of high quality design of 5 in 1. 1 ON OFF main toggle switch with safety cover,NOYITO NOYITO 1-Channel USB Relay Module USB Intelligent Control Switch USB Switch (1-Channel USB) Onboard high-performance micro-controller chip.Lrocaoai 2X Modbus RTU 4 Way Relay Module 7-24V Relay Module Switch RS485/TTL Input and Output with Anti Reverse Protection 3. Communication interface: support RS485/TTL UART interfaceLIYJTK USB Relay Module Control Switch LCUS 1 Type DC 5V High Performance Chip for Home Automation [LONG-LASTING DURABILITY] The relay module offers a prolonged service life, allowing for continuous connections up to 10NOYITO NOYITO 2-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch (2-Channel Micro USB) NOYITO 2-Channel Micro USB Relay Module is equipped with a stable USB to serial port chip and a microcontroller. It canReland Sun ESP8266 5V WiFi Relay Module Things Smart Home Remote Control Switch Phone APP ESP-01 (Relay Module) Reland SunViaGasaFamido 12V 8-Channel Smart Controller Module for Computer USB Switch-Relay, Single-Circuit Smart Control Card ✊ 【Long lifespan】 Our smart controller was used with imported high-performance USB tax chip, stable and durable, professMaiju Maiju 1CH Zigbee Mini Smart Switch Relay Module Support 2 Way Control Switch for Smart Home Automation, Compatible with 【Mini Body】Designed mini body, which suits for most of amounting boxes, and wall sockets.LILYGO LILYGO TTGO T-Relay ESP32 Wireless Module DC 5V 4 Groups Relay Development Board 4MB Flash WiFi BLE Remote Switch Contro -4MB FLASH ,8MB PS RAMReland Sun ESP8266 5V WiFi Relay Module Things Smart Home Remote Control Switch Phone APP ESP-01 (ONLY Module) Reland SunOVAQUIXI OVAQUIXI DC 36V USB Control Switch Relay Module Easy-to-Use PC Relay Module Expansion Board for Precise Computer Control [PLUG-AND-PLAY DESIGN] Enjoy a hassle- setup with the onboard control chip for easy use and convenience.Generic THC15A Digital LCD Power Programmable Timer Switch Relay 16A Amp Electronic Weekly 7 Days 16 On & Off Relay Timer Contro ⭐7 Day Digital Programmable Timer -- Digital electronics general purpose time switch with daily and weekly programs (10BIGTEDDY 2X 12V DC Adjustable Timer Switch Module Time Delay Relay NE555 - Stock 100% Brand new and high qualityMllepjdh 12V 24V 110-220V 1 Channel Time Controller Delay Countdown Timer on Off Switches Relays LED Digital Time Delay Module Mi Perfect for scheduling lighting systems, irrigation controls, or HVAC units in residential/commercial spaces, ensuring sOumij Oumij 8-Channel 12V Computer USB Intelligent Control Switch Relay Module Free Driver USB Control Switch PC Intelligent C Square USB interface for stable connection. Using imported high performance USB control chip.Support for WIN7, for XP 32LINOVISION LINOVISION Industrial 12 Ports L2+ Cloud Managed PoE Switch with DC8~57V Redundant Power Input, Full Gigabit Solar PoE S L2+ REMOTE CLOUD MANAGED PoE SWITCH-Supports L2+ management functions like VLAN, QoS, ACL, Static Routing and Link AggreQezodsx Qezodsx One Channel Relay ESP32-WROOM Development Board Single Relay Module DC 7-60V Power Supply for Home Appliance Acc 1. On-board and stable ESP32-WROOM-32E module, capacity 4M Flash;ACAGALA ACAGALA 12V LED Automation Delay Timer Control Switch Relay Module with Case New upgrades to simplify, meeting the users' needs.ZYHA Smart Switch Module, 16A APP Remote Control Flash Mount Mini Smart Switch AC100-240V for ZigBee 3.0 Maximum Current: Smart switch module supports a maximum current of 16A and it can be connected to most home appliances aFafeicy PWM Driver Module 4 Wire PCB Wide Voltage Temperature Controller Relay Switch Board with Probe 12V for PC Fan Alarms SPECIFICATION: The working temperature of this temperature detection control module is in ‑25℃‑85℃, the working humidityJESSINIE JESSINIE 2Pcs 1 Channel Switch Relay Module Modbus Rtu Switching Input Output Relays Board with Anti-Reverse Connection On-board mature and stable 8bit MCU and MAX485 level conversion chipsLrocaoai 2X 8Ch Input/Output Digital Switch TTL LvTTL CMOS RS485 IO Control Module Modbus Rtu Board for PLC Relay(with Terminal) 1 Working voltage: DC 12V (6-24V)Barbuly Barbuly 12V DC Delay Relay Delay Turn on/Delay Turn Off Switch Module with Protection against power reversal protection diode, better protection moduleBIGTEDDY 3X 12V DC Adjustable Timer Switch Module Time Delay Relay NE555 - Stock 100% Brand new and high qualityHaofy 16A Digital LCD Power Timer Programmable Relay Time Switch,Automatic On/Off Photoelectric Switch for Lighting Fixtures,C CHUSHEN WiFi Switch Module,Zigbee 3.0 Mini Smart Relay WiFi Switch 1 Way DIY Smart Light Switch Module Smart Life App Compatible 🥁 【Mini Body】Designed mini body, which suits for most of amounting boxes, switches and wall sockets.