*Can be equipped with wireless host. Easy and convenient to install. *315MHz frequency, wireless transmission is more than or equal to 80 meters in open place. *When the bottom of the detector was immersed by the water, it will send alarm message to the alarm host. *Excellent design, tiny and fashion. Low-consumption design, which can make it work long time. *Ideal water intrusion warning for homes, apartments(kitchen, toilet), warehouses, offices, laboratory, hotel rooms, garages, etc.