Description Real-time monitoring, accurate and -The detector equips quality infrared NDIR sensor, measurement accuracy control at 50ppm+5%, which accurate detection of carbon dioxide concentration in the air, measuring range 400 - 5000 ppm. Also, it can monitor temperature and humidity.Long lasting capacity rechargeable battery- This CO2 monitor built-in 1000mAh which 18hrs working time under normal brightness. Device comes with a USB Type-C charging cable, only 2.5hrs to fully charge.Switch on/off alarm, three brightness adjustment- Unlike most detectors, detector is designed with three buttons, the left button is for 3 types screen brightness adjustment, whether it is night or day, the screen can be displayed clearly. The middle is the power button, long press to turn on/off the power, short press to switch the temperature unit (switch to Fahrenheit or Celsius). The right button turns on/off the alarm, eliminating the problem of being by the alarm.Mini body LCD screen- Small size, easy to carry, fully functional. screen size is larger than small detector, display content is richer. And the bottom of the screen has a small astronaut animation as a decoration, cute and elegant.Wide application, easy to use- You can take it everywhere such as, home, office, car, party, hospital, agricultural planting, greenhouse vegetables, production warehouse, raw material processing, etc.Material: ABScolour: WhitePackage Contents:1 x CO2 detector body1 x USB Type-C cable1 x slingOnly 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.