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Best Choice TP-Link 
TP-Link Tapo Smart Water Leak Sensor, Home Security System, Real-Time & Accurate, Built-in 90dB Adjustable Siren, IP67 W Designed to Fit Everywhere – Place in any location with its elegant design.Geevon 
Geevon 4 Pack Water Leak Detectors, 100dB Water Sensor Alarms Flood Detector for Basements, Bathrooms, Laundry Rooms, Ki LOUD 100DB WATER LEAK DETECTORS FOR HOME- Each water sensor alarm leak detector features ultra-loud 100dB alarm audio whBest Value Mengshen 
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,BUBUCAM 
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 andGeevon 
Geevon 6 Pack Water Leak Detectors, 100dB Water Sensor Alarms Flood Detector for Basements, Bathrooms, Laundry Rooms, Ki LOUD 100DB WATER LEAK DETECTORS FOR HOME- Each water sensor alarm leak detector features ultra-loud 100dB alarm audio whX-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 stationMETAK 
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The alarm persistsUanTii 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 phMETAK 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 alertsUanTii UanTii Smart Water Leak Sensor with Sound Alarm Tuya WiFi Water Overflow Level Detector Wireless Flood Leakage Sensor Re 【Two monitoring modes】 water leakage monitoring, low water level monitoring.Even if you are not at home, you will be notAqara Aqara Water Leak Sensor T1, Smart Flood Detector with Real-Time Alerts, Zigbee 3.0 Compatible, Waterproof Design, Works Triggers Aqara Hub Alarm and Push Notifications: When the water level reaches up to 0.5mm, the Water Leak Sensor T1 willEPTTECH 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.X-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) aMETAK 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 detectionAzdBvae 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 choose20% Off ECOWITT Ecowitt WH55 Wireless Water Leak Detection Sensor with Loud Audio Alarm ▲Water Leak Detector: This water alarm sensor detects water seepage every 3 seconds and emits loud alarm with 90dB oncejojofuny jojofuny 2pcs Water Leak Detector Alarm for Sinks and Washing Machines High Sensitivity Overflow Monitoring Device Sound Water sensor alarm:high sensitivity, can detect water level changes in a timely manner, avoiding damage to household app23% Off MOCREO MOCREO SW2 Water Leak Detector Sensor with 95dB Alarm, Hub Required, No Subscription Fee, Home Wireless Flood Monitor fo PROTECT HOME FROM COSTLY WATER DAMAGE - Note: SW2 water leak detector can not work alone, it must work with MOCREO Hub(S12% Off BESTOYARD BESTOYARD Smart Water Leak Detector High Sensitivity Water Level Sensor Reliable Alarm for Homes Offices Warehouses Easy Consistent reliability: built for dependable performance and longterm use,water for home,high water alarm13% Off NULYLU NULYLU Water Overflow Detector for Tea Set Tea Bucket Leak Alarm Simple Efficient for kitchen--the tea water bucket full water reminder is designed to be simple and easy to use, making it more user-friemeross meross Water Leak Detector Hub Needed, Smart Water Alarm, App Alert, Replaceable Batteries, Interlinked, Apple HomeKit S 💧Meross Hub Required - Package does not contain hub. Please get a Meross hub first. 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