Loud siren, keep the alarm notifying you or your neighbors until the water dries up or the sensor turns off, low cost and effective water leak alarm to Prevent water damage to your home and business High sensitivity 24k electroplating detection plate, reused after the plate is dry 3m double-sided sticker, easy to install anywhere Detects water in any corner for water alarms under the basement, water heater leaks and more Alarm volume: 90 decibels Battery voltage: two 1.5v batteries on the 7th (not included) Wire length: 1 meter Sensitive upgrade: rainwater, tap water, purified water, distilled water and air conditioning water can all alarm. Product size: 9*3*1.5 cm Package: 1 piece Welcome to meet