Protocol: 868/922MHz, Wireless Type: 2.4GHz Wi-Fi, Buttons: Slience Button, Adapter Input: 100-240V, AC, 50/60 Hz, Keep sub-devices connected at all times through the robust wireless network, Make connected devices work energy-efficiently, promising longer standby time, Connect with up to 64 smart devices (sensors, smart buttons, TRV) for an immersive smart home experience,Coordinates with Tapo smart sensors to inform you of security issues or other problems, Works as your doorbell, with customized and adjustable ringtones.

Drip and Leak Alert - Responds to drips and leaks with 6 detection probes on both top and bottom, Up to 90dB Alarm, IP67 Waterproof Rating, Instant App Notification - Receive instant alerts via the Tapo app when a leak occurs from anywhere, Visible Alarm with Tapo Lights, Wireless, designed to place in anywhere leaks or flooding may occur, like under the sinks, near washing machine, bathtub and more, Triggers the Hub alarm when leakage is detected. Manage up to 64 sensors with one hub

Fast & Accurate Monitoring - Detects temperature and humidity with great accuracy. Updates every 2 seconds. (Accuracy: ±0.3 °C, ±3% RH, Home Automation - Automatically turns on/off home electronics when settings fall outside their preset ranges, Free Data Storage & Visual Graphics - Records temperature and humidity data and generates periodic data summaries, App Notification Alerts - Receive instant alerts on your phone whenever levels fall outside preset ranges, Flexible Installation - Hang it with a lanyard, attach it on a surface with an adhesive or magnet, or simply place it on a desk.