eWeLink 433Mhz Wirelessly Water Immersion Detector Water Immersion Induction Alarm Detector

Features:
Easy and simple to install with double-side adhesive.
433MHz frequency, wirelessly transmission is more than or equal to 200 meters in open place.
Perfect for homes, apartments(kitchen, toilet), warehouses, offices, hotel room, etc.
Low-consumption design, which can make it work long time.
It will give flash and send alarm message to the alarm host when the two feet of the detector was immersed by the water.