Tuya Graffiti WiFi Water Leakage Alarm Overflow WiFi Water Immersion Detector Water-Level Alarm WiFi Smart Sensor Product parameters: Product type:Water-Level Alarm Product No:WL-878WT Material: ABS Product color: White Product size: 7x2.5x2cm/2.8x1.0x0.8in Packing size: 10x6x3cm/3.9x2.3x1.2in Wire Length:1m/39.4in Net weight45g/0.10lb Battery:AAA Battery (Not included) Standby Time:3 years Input voltage: 3V Rated current:10mA APP Control:Smart Life / Tuya Smart Wireless Standard:WIFI802.11b/g/n Zigbee802.15.4 Operating Temperature:-10C55C( non-condensing ) Working humidity:10%90%RH Multifunctional Water Level AlarmThis water level alarm can monitor the water heater,water tap,refrigerator,dishwasher,children playing,washing machine,sink Etc,And so on, making life more intelligent and safe. Work with Tuya SmartGlobal Server achieves high speed , stability and securityWorking with Alexa , Google AssistantWorking with other Tuya devicesGet all operation by APP . Working PrincipleWhen the two feet of the detector was immersed by the waterthe alert notifications will be pushed to your phone, be aware of wateroverflowing in time, reducing flooding risk. No Installation Required The water immersion sensor can be placed and used at will according to requirementsthe hidden key design is integrated with the appearance structure , practical and beautiful ,and quietly guards every inch of the circles. Real Time Alarm QueryAPP to view alarm records at any time. Packing list 1 x Water-Level Alarm 1 x Instructions