EW12 is the WATER LEAK ALARM. EW12 water leak can cause large economic loss. Protect your home from potential water damage by keeping ... ,refrigerators, dishwashers,toilets, basements, washing machines, water heaters, and garages.ALARM: >80dB alarms, When water leak is detected by the sensor ... will give alarms.SpecificationsAdjustable distance between 0-25m WATER LEAK ALARM