Please notes: it needs work with Zigbee Gateway! Description: Applicable life scenarios: There are always some unexpected accidents in life, stop water and forget to turn off the faucet/children playing with water at home bursting of water pipes/leaking fish tanks at home/leaking kitchen/pets playing with water at home When you buy and install this leak-proof device: when the alarm overflow, it reacts quickly, the alarm flashes and the phone receives an APP push reminder to let you know in time and take corresponding measures. After the water has returned, the alarm will be released synchronously Long standby time, more worry-free: low power consumption, standby for up to 1 year, no need to replace the battery frequently, when the battery is low, the APP push notification, please replace the battery in time Specifications: Battery: AAA Battery(Not included) Standby Time: 3 years Operating Temperature: -10-55 Working Humidity: 10%-90% RH(Non-condensing) Wireless Standard: WIF1802.11 b/g/n Zigbee802.15.4 Housing Material ABS APP Control Smart Life/Tuya Smart Dimension: 70*25*20mm Wire Length: 1m Package Included: 1*Water leak alarm