TEQIN Basement Water Alarm. WA-08 Portable Water Leak Alarm Leakage Sensor Detector, Powered by 6F22 Battery for Home Laundry Basement Bathroom Kitchen + 6F22 battery You can put the unit where you have water issues: in the basement, bathroom, kitchen, laundry, toilet, attic, garage and etc When a leakage is detected, the water leak unit will make an audible alarm with a flashing LED Sensor with long extension cable (1.5m) can reach corners and gaps The water leak alarm is powered by 6F22 battery What you get: 1 x water leak alarm unit with built-in extension sensor cable; 1 x 9V 6F22 battery