EW12 is the WATER LEAK ALARM. EW12 water leak can cause large economic loss. Protect your ... pumps,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