DS18B20 External Waterproof Temperature Sensor for Sonoff Smart Home Module

From the shop's description

Sonoff DS18B20 temperature probe The connectable Sonoff DS18B20 sensor is used to measure the temperature at the installation site. It is connected to the wifi module using a 2.5 mm jack connector. After connecting to the wifi module, it is controlled via an application on a smartphone. The measured temperature is then displayed on the mobile phone. The control works in the form of a Cloud service, which is provided free of charge for the product. It is not necessary to set up your network or have a fixed IP address for the connection. Function: Measures the room temperature. Easy to install Use: Room temperature monitoring Mounting: Just connect the sensor to the Sonoff TH16 and TH10 using a 2.5mm connector. Only connect and disconnect the sensor when the TH16 or TH10 is off. Measuring range: Temperature: -55 ° C to + 125 ° C, accuracy 0.5 ° C Technical parameters Power supply: 3 – 5.5V Environment: Exterior Design: waterproof Connector : 2.5mm Inlet: 90cm Color: Black Operating temperature: -40 ° C to 80 ° C