1、[Digital Color Display] With full color display, large screen design, LED digital display can clear and easy to read, and with intelligent backlight eye protection function. 2、[Multifunctional] Built in advanced scattering detection sensor is used to accurately track air quality, including the detection of carbon dioxide, temperature, humidity, HCHO and TVOC. 3、[Rechargeable Battery] Carbon dioxide detector built in large capacity rechargeable battery, which can last for several hours, you can check the air quality from anywhere, or let the device perform continuous monitoring at a specific location. 4、[High Accuracy] This portable air quality monitor can real time monitoring and display of carbon dioxide concentration, with accurate measurement results. 5、[Widely Application] This portable carbon dioxide detector is easy to carry and can detect the air quality in the bedroom, living room, kitchen, office, car, school, hotel, campground and other environments. Item Type: Carbon Dioxide Detector Material: ABS+LCD Color: Black Battery Type: Lithium battery (Battery Included) Battery Model: 1500mAh lithium battery Battery Capacity: 1500mAh Charging Method: DC5V 500mA micro USB interface CO2 Measurement Range: 400-6000ppm CO2 Measurement Accuracy: 1ppm TVOC Measuring Range: 0-2.0mg/m³ HCHO Measuring Range: 0-0.6mg/m³ Temperature Measurement Range: -10~50℃ Temperature Measurement Accuracy: ±1℃ Humidity Measurement Range: 0%~99% RH Humidity Measurement Accuracy: ±2%RH TVOC Detection Range: 0-2PPM 1 x Carbon Dioxide Detector (Battery Included) 1 x USB Cable 1 x Manual