Note: The SensorDS18B20 mustwork with the TH10/TH16, can't work alone,and TH10/TH16 is not included. Overview: It is a universal switch for your smart home system to remotely and automatically turn on/off any appliances by phone APP. When the temperature of the environment falls within the range, it will automatically turn on or off the connected devices. It also supports timing turning on/off the appliances and supports presetting the range for temperature. Work with the TH10/TH16, you can make your home smarter. Features: *App Support: Free iOS and for Android mobile App eWeLink. *Sync Status: Real-time device status provided to App. *Real-time monitor: Monitor real-time temperature. *Remote ON/OFF: Turn electrical devices on/off from anywhere, with high accuracy temperature waterproof DS18B20 sensor. *Share Control: Control your smart home together with your family. *Timing: Supports 8 enabled countdown/single/repeat timing tasks to turn on/off at specified time. *Auto Mode: Set Auto mode to turn on/off at a specified temp. or hum. range. *Manual Mode: Set manual mode to turn on/off immediately. *Trigger Smart Scene: The temp. or hum. values work as smart scene trigger conditions to trigger on/off other devices. *Voice Control: Works perfectly with Amazon Alexa, for Google Home, for Google Nest. *Waterproof temperature sensor with stainless steel temperature probe, high accuracy, wide usage in daily life. DS18B20 Sensor Specification: Type: Waterproof temperature sensor Probe: Stainless steel temperature probe Temperature Measuring Range: -55~+125 Operating Voltage: 3.0-5.5V Weight: 26g Length: 1m Package Information: Package Size: Approx. 9*4.5*2cm/3.54*1.77*0.78in Package Weight: Approx. 26g/0.92oz Packing List: 1 * DS18B20 Sensor