✅ It utilizes the principle of liquid conductivity for reliable performance and easy installation. ✅ Wired water leak detector needs to be connected to the alarm host. (The alarm host should be purchased separately.) ✅ It can be used for the water immersion detection of the ground or the limited water level space. ✅ When the liquid reaches the two probes of the detector, it sends a switch signal to the alarm host. ✅ Suitable for water tower, return pipe, water heater, computer facilities, machine platform, electrical control room, central air conditioning studio, factory, warehouse, file reference room, office, basement, laboratory, fish bowl, water tank, pool, water dispenser, air conditioner. It utilizes the principle of liquid conductivity for reliable performance and easy installation.