Features 5 in 1: This air quality detector can detect CO2, TVOC, HCHO, temperature and humidity, the perfect companion for indoor environment, practical and easy to use. Real Time Monitor and Display:The air quality monitor can monitor and display the carbon dioxide concentration per cubic meter in real time, and the detection is fast and safe. It can help you understand indoor air quality at a glance. Color Screen Display: The air quality meter adopts intelligent color screen display, the data and readings are clear, rich display, easy to identify and read. Small and Portable: The air quality tester is small and portable, easy to carry, does not take up much space, and can be installed at home. This detector has two charging methods, giving you more convenience. Wide Range of Applications: The air quality detector adopts a high-strength ABS shell, which is sturdy and durable, and is suitable for offices, homes, gyms, etc. 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