1、The sensor module is suitable for indoor and outdoor temperature measurement. 2、The sensor board can be used for weather forecasting and monitoring, measuring computer room temperature and warehouse temperature. 3、Using temperature and humidity sensor, up to 8 temperature sensors can be connected at the same time. 4、High quality material can make sure the durability and stability of the product 5、With professional design and reasonable structure, the sensor board is easy to replace and install. Item Type: Sensor Module Power Supply Voltage: 6-24V Working Current: 8-13MA (related to the number of external sensor)By modifying the 485 address, up to 247 modules can be cascaded for use (if more than 16, please use R485 repeaters) Using temperature and humidity sensor, up to 8 temperature sensors can be connected at the same time. The temperature can be measured from -55℃ to +125℃ (-67℉ to +257℉). When the temperature is between -10℃ and 85℃, it has an accuracy of +-0.5℃. 1 x Module