Temperature measurement range: -40--80 Measurement accuracy: 0.5 Humidity measurement range: 0--RH Measurement accuracy: 2%RH With fixing screw holes, easy to install and fix. 2.6mm Output: Digital Sensor : Hall Sensor Model Number: DHT22 Type: Temperature Sensor is_customized: Yes Usage: Temperature Sensor Functions: Electronic Module Range of application : Switch And Sensor For Weight: 6g Working voltage: 3V--5.5V Sensor model: temperature and humidity sensor Signal output form: digital signal Resolution: 16 bit Material: PCB colour: White Package Contents: 10 x Humidity Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.