NEO NAS-WS02B Tuya ZigBee Smart Water Leak Sensor Siren Wireless Water Leak Alarm Detector for Smart Home Life Accurate Flood Detection: When overflow occurs,the probe is submerged and triggered,and push notification to a smartphone High Sensitivity: With a sensitive metal sensing probe,indoor overflow,or leakage,you can send a beep,trigger an alarm Suitable for Multiple Scenes: Installed in different locations for the various environments no complicated operation,easy and simple Detect water leakage and push notifications to mobile phone Support App remote control Specifications: Power Supply: CR2 3V (Not Included) Standby Current: 3-107uA Waterproof: IP55 Detection temperature: -10¡ãC-80¡ãC Detection humidity: 0 percent -100 percent Wireless frequency: 2.4GHz Communication protocol: Zigbee 3.0 Wireless standard: IEEE 802.11 b or g or n Wireless range: 40M Package included: 1 x Water Leak Sensor 1 x English Manual Other items not included