Transducers features: Water waste is one of the most common and expensive problems affecting households. Even a small amount of water can cause serious damage to your home. Now with a water alarm, you can know when and where there is a leak or overflow in your home. Features Color: White Material: Plastic Size: 8.20X4.20X1.60cm/3.22X1.65X0.63 inch Support wireless network technology, fast connection, easy installation The installation of the sensor is very simple, you can use adhesive taps to install at the location you need to install The sensor uses WiFi to communicate with the server for data. As long as there is a WiFi network connected to the Internet at home, it can meet the installation conditions The alarm information and records of the sensors are all stored on the server. This design allows us to monitor whether there is water in the home or office from any place through the smartphone. And can also share the control information of the device to others Energy saving and overall safe circuit protection. The compact design saves you space. Specification Power2 x AA battery (not included) Working current: 37mA Pairing current: 36mA Standby current: 23.5uA Alarm time: 10 minutes Working temp: 0-40 (32F-104F) Working humidity: 20%-85% Storage temp: 0-60 (32F-140F) Storage humidity: 0%-90% Wireless type: 2.4GHz Protocol: IEEE 802.11b/g/n WiFi distance: 45m.