Overview:
1. This module uses ESP8266-01/ESP-01S as the master control, and DS18B20 as temperature sensor.
2. ESP8266 collects the temperature in the environment and uploads to the server.
3. It supports 3.7v-12V DC power supply (3.7V lithium battery). It can be used as temperature collection node for smart home or IOT project.

Features:
1. Master Control: ESP-01/ESP-01S
2. The temperature Sensor: DS18B20
3. Operating voltage: DC 3.7V-12V(Support 3.7V lithium battery power supply)
4. Measuring range: -55¡ãC TO +125¡ãC
5. Size:25mm x 21mm /0.98in x 0.83in

Package Included:
1*ESP8266 ESP-01/01S DS18B20 Temperature Sensor