ITEM NAME:120dB Smart Wireless Water Leakage Alarm Water Overflow Sensor Detector Security 120dB Smart Wireless Water Leakage Alarm Water Overflow Sensor Detector Security a.imagelink a:hover.imagelink {color:#000000;.1 X Water Leak Alarm Detector. Application: Fish tank, solar water heater, pool, bathroom, kitchen and so on. When the water is full, it will alarm. Enough long cable, easy extend by user, detect water anywhere corner.