Features 5 in 1: This air quality detector can detect CO2, TVOC, HCHO, temperature and humidity, which is practical and useful. Wide Range of Applications: This air quality detector adopts high strength ABS housing, sturdy and durable, suitable for office, home, gymnasium etc. Real Time Monitor and Display: The air quality monitor can monitor and display the carbon dioxide concentration per cubic meter in real time, the detection is fast and safer. Small and Portable: The air quality tester is small and portable, easy to carry, does not take up too much space, can be installed at home. Color Screen Display: The air quality meter is displayed by an intelligent color screen, the data and reading are clear, easy to identify and read. Specification: Item Type: Air Quality Detector Material: ABS Model: 2CO3TB Battery: Lithium battery 18650 2000mAh 3.7V (built in) Charging Power Supply: DC 5V 500mA Micro USB Usage: Suitable for carbon dioxide concentration detection in office, home, gymnasium and other usage scenarios Basic Parameter: CO2 Measurement Range: 400-6000 PPM ±50 ±5%PPM CO2 Measurement Accuracy: 1PPM TVOC Measurement Range: 0-2.0mg/m³ HCHO Measuring Range: 0-0.6mg/m³ Temperature Measurement Range: -10℃ to 50℃ Temperature Measurement Accuracy: ±2℃ Humidity Measurement Range: 0%-99%RH Humidity Measurement Accuracy: ±3%RH Package List: 1 x Air Quality Detector 1 x USB Data Cable 1 x Manual Package List 1 x Air Quality Detector 1 x USB Data Cable 1 x Manual