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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 wheMagTech 
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 persistsBest Value 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 phMengshen 
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,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 stationMEOXPAZ 
MEOXPAZ Zigbee Water Immersion Sensor Water Leak Detector Water Linkage Alarm App Remote Monitoring Water Leak Detector 1. Tuya Smart ZigBee Water Leakage Detector: A Tuya ZigBee Wireless Gateway Hub is a must to work with the flood sensor,METAK 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 pr14% Off METAK 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 detectionGeevon 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 whBUBUCAM 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 andAqara 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 willUanTii 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 notAzdBvae 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). 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