Note: The Sonoff Sensor DS18B20 must work with the Sonoff TH10/TH16 and cannot work alone. Sonoff TH10/TH16 is not included.Overview: Sonoff is a universal switch for your smart home system that allows you to remotely and automatically turn on or off any connected appliances via a smartphone app. When the ambient temperature falls within a preset range, it automatically turns connected devices on or off. It supports scheduling functions and temperature range presets. When used with the Sonoff TH10/TH16, it enhances your home automation experience.Features: - App Support: Free eWeLink mobile app available for iOS and Android devices. - Sync Status: Real-time device status updates are sent to the app. - Real-time Monitoring: Monitor current temperature readings in real time. - Remote ON/OFF: Control electrical devices from anywhere using high-accuracy, waterproof DS18B20 temperature sensor. - Share Control: Share device access with family members for shared control of your smart home. - Timing Functions: Supports up to 8 timing tasks, including countdown, single, and repeat modes for scheduled on/off control. - Auto Mode: Automatically turn devices on or off based on a specified temperature range. - Manual Mode: Manually turn devices on or off instantly. - Smart Scene Trigger: Use temperature values as triggers to activate other Sonoff devices. - Voice Control: Compatible with Alexa, Google Home, and Google Nest for voice commands. - Waterproof Temperature Sensor: Includes a stainless steel probe for high accuracy and durability, suitable for various everyday applications.DS18B20 Sensor Specifications: - Type: Waterproof temperature sensor - Probe: Stainless steel temperature probe - Temperature Measuring Range: -55C to +125C - Operating Voltage: 3.0V to 5.5V - Weight: 26g - Cable Length: 1mPackage 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