Features: 1Radio transmission circuit and coding technology to solve the problem of signal interference blocking. 2A variety of temperature modes can be adjusted suitable for different scenarios. 3Water immersion sensor (WS01) a sensor used to detect water immersion in the environment. 4Highperformance ultralow power consumption long battery life avoiding frequent battery replacements. 5Low voltage monitoring function. Send status report to host on a regular basis. 6Antidismantling design in professional security field split design high reliability. 7Wireless transmission of data signals mobile phone remote monitoring. Specification: Item Type: Water Leakage DetectorMaterial: PCColor: As shown in the pictureProduct Size: Approx. 5x5x1.8cm / 2.0x2.0x0.7inWeight: Approx.35g/1.2ozBattery: 1 x CR2032 battery 3V(Not included)Type: Water level alarm detectorApplication: Home outdoorAlarm Current: 30Alarm Method: APP pushCommunication Method: for zigbeeWorking Temperature: -10~50Function: A sensor used to detect the state of water immersion in the environmentBattery Installation Method:Use a thumb-sized button or a button battery to rotate to the left in the recess at the bottom of the sensor and unscrew the cover to install the battery (battery not included).Network Setting Method: Press the button on the front of the sensor and then press the flash to set the network. Package List: 1 x Water Leakage Detector(Battery Not Included)1 x English Manual Note: 1. Please allow 1‑2in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.