Smart WIFI Connectivity - Connects directly to your home WiFi network (2.4GHz only), no hub required. Real-Time APP Notifications - Get instant alerts on your smartphone via the Tuya Smart app when water is detected. 100dB Loud Alarm - Powerful on-site siren to alert anyone nearby immediately upon detecting a leak. Adjustable Alarm Volume - Choose between high/medium/low volume levels or mute the alarm completely via the app. Low Battery Alert - Automatically sends a notification to your phone when the battery needs replacement. Easy Installation - Just place the sensor on the floor or attach it to the wall near potential leak sources. LED Indicator - Visual alarm status indication for quick identification. Technical Specifications Connectivity:.4GHz WiFi (802.11 b/g) Alarm Sound Level:Up to 100dB (adjustable / mute available) Power Supply:2 x AAA batteries (not included) Low Battery Alert:Yes Working Temperature:0C to 50C Working Humidity:Less than 95% RH APP: Smart Life /Tuya Smart Color: White Material: ABS Package Contents: 1 x Water Leak Detector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.