Note: The Sonoff Sensor DS18B20 must work with the Sonoff TH10/TH16 and cannot operate alone. The Sonoff TH10/TH16 is not included. Overview: Sonoff is a universal switch for your smart home system that allows remote and automatic control of appliances via a mobile app. When the environmental temperature falls within a set range, it automatically turns connected devices on or off. It supports scheduling functions and presetting temperature ranges. When used with the Sonoff TH10/TH16, it enhances home automation capabilities. Features: - App Support: Free iOS and Android mobile app eWeLink - Sync Status: Real-time device status updates in the app - Real-time Monitor: Monitor real-time temperature - Remote ON/OFF: Control electrical devices remotely with high accuracy using the waterproof DS18B20 temperature sensor - Share Control: Share device access with family members - Timing: Supports up to 8 active countdown, single, or repeat timing tasks for scheduled on/off control - Auto Mode: Automatically turn devices on or off based on specified temperature range - Manual Mode: Manually turn devices on or off instantly - Trigger Smart Scene: Use temperature values as triggers to activate other Sonoff devices in smart scenes - Voice Control: Compatible with Alexa, Home, and Nest - Waterproof temperature sensor with stainless steel probe for high accuracy and broad daily use DS18B20 Sensor Specifications: - Type: Waterproof temperature sensor - Probe: Stainless steel temperature probe - Temperature Measuring Range: -55°C to +125°C - Operating Voltage: 3.0–5.5V - Weight: 26g - Cable Length: 1m Package Information: - Package Size: Approx. 9 x 4.5 x 2cm (3.54 x 1.77 x 0.78in) - Package Weight: Approx. 26g (0.92oz) Packing List: 1 x DS18B20 Sensor