Note: The Sonoff Sensor DS18B20 must work with the Sonoff TH10/TH16 and cannot work alone. The Sonoff TH10/TH16 is not included.<br><br>Overview: <br>Sonoff is a universal switch for your smart home system, allowing you to remotely and automatically turn on/off any appliance via a mobile app. When the environmental temperature falls within a preset range, it will automatically turn connected devices on or off. It also supports scheduled operation and allows you to set custom temperature ranges. By working with the Sonoff TH10/TH16, you can make your home smarter.<br><br>Features: <br>- App Support: Free iOS and Android mobile app (eWeLink). <br>- Sync Status: Real-time device status syncs with the app. <br>- Realtime Monitor: Monitor real-time temperature. <br>- Remote ON/OFF: Control electrical devices from anywhere using the high-accuracy, waterproof DS18B20 sensor. <br>- Share Control: Share control of your smart home with family members. <br>- Timing: Supports up to 8 active countdown, single, or repeat timing tasks for automatic on/off at specified times. <br>- Auto Mode: Set an auto mode to trigger on/off based on a specific temperature or humidity range. <br>- Manual Mode: Manually turn devices on/off instantly. <br>- Trigger Smart Scene: Use temperature or humidity values as triggers to activate other Sonoff devices. <br>- Voice Control: Compatible with Alexa, Google Home, and Google Nest. <br>- Waterproof temperature sensor with stainless steel probe for high accuracy and broad daily use.<br><br>DS18B20 Sensor Specification: <br>- Type: Waterproof temperature sensor <br>- Probe: Stainless steel temperature probe <br>- Temperature Measuring Range: -55°C to +125°C <br>- Operating Voltage: 3.0–5.5V <br>- Weight: 26g <br>- Length: 1m <br><br>Package Information: <br>- Package Size: Approx. 9 x 4.5 x 2 cm / 3.54 x 1.77 x 0.78 in <br>- Package Weight: Approx. 26g / 0.92oz <br><br>Packing List: <br>- 1 x DS18B20 Sensor