Description Description: Our intelligent carbon dioxide value tester gas analyzer uses an empty semiconductor TVOC sensor. Real-time and accurate monitoring of CO2 concentration, TVOC, formaldehyde, ambient humidity and temperature, with date clock display. Specification: Material: ABS Color: Black, White Screen Resolution: 240*240 Net Weight: about 202g Gro Weight: about 406g Product Size(about): 160*90*41mm/6.3*3.54*1.61in Color Box Size: about 115*60*185mm/4.53*2.36*7.28in Packing List: Air Quality Detector *1 USB Cable * 1 Description * 1 Note: Due to the lighting effects and shooting angles, there is color difference in the product, please understand. Due to manual measurement, there is a tolerance in the product size. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store