Welcome to our store！</br>1、No wires or settings required, and the mini size allows you to place it wherever water leakage may occur. 2、Even if you are not at home, you can monitor the leaks on your phone, feel at ease anytime, anywhere. 3、When the battery power is low, the alarm will beep and flash red light, or press the button on it to test the battery power. 4、The IP66 level fully sealed waterproof design allows long‑term use in high humidity areas. 5、Made of high quality ABS materials with stable performance and high reliability, have a longer service life. <p class="wang-edit-text"><p class="wang-edit-text"> Item Type: Water Leak Detector Material: ABS Voltage: DC3.7V Battery: Built-in 602535 lithium battery, 500mAh Alarm Volume: 0-120 dB WIFI: 802.11 b / h / Dperating RF 433.92MH2 (applicable to 2.4GHz) Waterproof Rating: IP66 Working Temperature: -20℃ to 50℃ Working Humidity: 48-59 <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x Water Leak Detector Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>