Features: 1. Radio transmission circuit and coding technology to solve the problem of signal interference blocking. 2. A variety of temperature modes can be adjusted suitable for different scenarios. 3. Water immersion sensor (WS01) a sensor used to detect water immersion in the environment. 4. High-performance ultra-low power consumption, long battery life, avoiding frequent battery replacements. 5. Low voltage monitoring function. Sends status report to host on a regular basis. 6. Anti-dismantling design in professional security field, split design, high reliability. 7. Wireless transmission of data signals, mobile phone remote monitoring. Specification: Item Type: Water Leakage Detector Material: PC Color: As shown in the picture Product Size: Approx. 5x5x1.8cm / 2.0x2.0x0.7in Weight: Approx. 35g / 1.2oz Battery: 1 x CR2032 battery 3V (Not included) Type: Water level alarm detector Application: Home outdoor Alarm Current: 30 Alarm Method: APP push Communication Method: for zigbee Working Temperature: -10~50 Function: A sensor used to detect the state of water immersion in the environment Battery 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 slightly different from the real object. Please take the real one as standard.