Sonoff DS18B20 temperature sensor monitors real-time temperature for your home or outdoor spaces. Its customized plug supports to work with SONOFF TH. The WiFi temperature sensor can wirelessly transmit temperature data through iOS / Android APP "eWeLink" ( download from Apple Store or Google Play ) to mobile. SONOFF DS18B20 Waterproof Temperature Probe Sensor For DIY Smart Home Wireless Switch Socket Module
Note: Do not include the Thermostat Module.
Main Features:
? Waterproof steel temperature probe
? 3.0 - 5.5V power supply
? Measuring range: -55 - 125 Deg.C