Product model:temperature/humidity/PM2.5/PM10/hcho/tvoc/co/Co2/ Air Detector Detection technology:semiconductor /Infrared/electrochemical detection technology Display mode:LCD screen+backlight Operating voltage:5V Battery capacity:1500mAh Charging port:Type-C Sensor:PM2.5 sensor/semiconductor Senser/electrochemical senser Examination range PM2.5:0-999 / PM10:0-999 / HCHO:0-9.999 mg/ TVO:0-9.999 mg/ CO:0-5000 PPM CO2:400-5000 PPM Temperature:0-70 Humidity:0-99 %R :0-999 Colour:black Material:plastic Package Contents: 1 x Air Quality Monitor 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.