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 appliance via a mobile app. When the environmental temperature falls within a set range, it will automatically activate or deactivate connected devices. It supports timer functions for turning appliances on or off and allows presetting of 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 Monitoring: Monitor current temperature readings - Remote ON/OFF: Control electrical devices from anywhere using a high-accuracy, waterproof DS18B20 temperature sensor - Share Control: Share device access with family members - Timing Function: Supports up to 8 timing tasks, including countdown, single, and repeat modes for specified on/off times - Auto Mode: Automatically turn devices on or off based on preset temperature ranges - Manual Mode: Manually control devices instantly - Smart Scene Trigger: Use temperature values as triggers to activate other Sonoff devices - 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 - Package Weight: Approx. 26g Packing List: 1 x DS18B20 Sensor