Water damage is one of the most common and costliest problems affecting homes. Even a small amount of water can cause serious damage to your home. Now with Water Alarm, you have a way to know when and where you have a leak or overflow in your home before it becomes a costly problem. Place the Leak Alarm in any potential flood spot - to bathrooms, basements, kitchens, boats, garages or etc. When the water sensor detect a water leak or water overflow, it will push water alarm notication to smartphone App via WIFI network, timely inform users taking immediate action to stop the potential flood. 1. Push notification to user smartphone remotely without distance limited when the metal contact probe detects water, at same time play sweet music locally. 2. 58 types of ringtones optional. Ringtone alarm can be switched on/off. 3. Built in rechargeable battery (3.7V 500MA), battery standby life is about one year. 4. With One Mini USB port. Users can use DC5V 1A/2A adapter to power the sensor or recharge the battery. Note: DC5V 1A/2A power adapter and USB cable not included. Model Number: WIFI Liquid Leak Sensor color:White Material:plastic Package Contents: 1 x WIFI Liquid Leak Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.