Protect your home from leaks and floods 24/7. The buzzer will send out 90db alarm with fast flashing LED light when water leak is detected, then you can take action to deal with it, avoid property damage in time Stop d automatically alarm once the overflow is well managed. You can press the [self-test/mute] button to stop the alarm, so as not to disturb others. But the red light still flashes every second to alert you. Besides that, if you don't handle the overflow well within 10 minutes, the buzzer will sound again. Low battery prompt function to remind you to change batteries timely. Green light flashes once and an audible alarm every 60 seconds to alert you to change new batteries. Two different sounds for testing and alarms. The buzzer will whistle five times during the exam, it's a soft and quiet sound, so don't be alarmed. The buzzer emits an alarm volume of 90 DB when the alarm is triggered, a loud sound that you can hear immediately This water detector can be widely used in all equipment and storage places such as basement, water tank, engine room, waterway, water tower, water cellar, swimming pool, swimming pool, etc. The water sensor has a 140cm wire so that it can be extended in a sump pit, or mounted on a wall as needed, prevent water damage in time Small size and stylish design. The compact size does not take up too much space. Contemporary design does not influence the beauty of the home, to be a good home decoration