Electronic water leak detector TA404RE 1 piece

There are sensors on the back and right side. The moment it comes into contact with water, an alarm will sound to alert you to any leaks. Please place it in a place where there is a risk of water leakage, such as under a water heater or a sink. *Water resistant, but not waterproof. Operating temperature: 0 to +49°C Size: W61×D109×H36mm Weight: 111g (including batteries) Power supply: 9V battery (2 years battery usage time) Alarm duration: Approximately 72 hours (with new alkaline batteries) Alarm volume: 85dB (3m away)