Item Type: Water Leakage SensorMaterial: ABSBattery:1 x CR2032 Coin Cell 150mAh (included)Wireless Frequency: 2.4GHzTransmit Power: 15dBmOperating Current: 25mAOperating Temperature: 10+55Communication Distance: More Than 50meters54.7yd (open)Weight: Approx. 36g1.3oz.wangedittext{fontfamily:Arial !important;}.wangedittext table {bordertop: 1px solid #000;borderleft: 1px solid #000;}.wangedittext table td,.wangedittext table th {borderbottom: 1px solid #000;borderright: 1px solid #000;padding: 3px 5px;}.wangedittext table th {textalign: center;} 1Professional Waterproof: Water leakage detector uses a safe waterproof panel, so the sensor can work properly even when touched by wet hands or splashed with water, or even covered with water 2Reliable and Safe: When Water leakage sensor detects a leakage, the valve will automatically close. which brings you a reliable and safe experience 3Large Power: Wireless water leakage sensor has a large capacity power more durable, fully charged and durable, easy to replace the battery 42.4GHz Wireless: Water sensor alarm with 2.4GHz wireless frequency, 15dBm transmit power, 25mA operating current, more than 50m (open) communication distance 5ABS Material: The water level sensor is made of ABS material, which is wearable and durable, and can be used with confidence