The Vivint Smart Water Sensor 345Mhz White is a new in box wireless water leak flood sensor that operates on a 3V battery. It features water detection, tamper protection, waterproof construction, temperature monitoring for freeze and heat alerts, and a leak alarm. With an operating range of 9m and a compact size of 7cm in height, this sensor is compatible with Vivint systems and offers Wi-Fi connectivity for easy monitoring. Ideal for indoor use, this sensor provides peace of mind against water leaks and floods in your home.