TEQIN Basement Water Alarm. WA-08 Portable Water Leak Alarm Leakage Sensor Detector, Powered by 6F22 Battery for Home Laundry Basement Bathroom Kitchen + 6F22 batteryTEQIN Basement Water Alarm. WA-08 Portable Water Leak Alarm Leakage Sensor Detector, Powered by 6F22 Battery for Home Laundry Basement Bathroom Kitchen + 6F22 battery