Features 1、5 in 1 air quality monitor, accurately detect the level of CO2, TVOC, HCHO, Temperature and Humidity. 2、Adopted high precision infrared sensor and high-performance chip, providing fast and reliable detection. 3、Easy to check the real-time data on the colorful screen with large digits, fast capturing the results. 4、3 colorful comfort levels demonstrate different air quality status, with alarm function for better and quicker knowing the situations. 5、Anti-slip bottom provides stably stand on the plane, bonus lanyard for the monitor to hang if needed. 6、Built-in 1200mAh large capacity lithium battery, get rid of cable annoyance, flexible to use and charge. 7、Palm size with lightweight, perfect for home, school, office, hotel, car, and other environments. Specification 5 in 1 real-time air quality monitor provides fast, reliable and highly accurate detection of air pollution for you. Features: 5 in 1 air quality monitor, accurately detect the level of CO2, TVOC, HCHO, Temperature and Humidity. Adopted high precision infrared sensor and high-performance chip, providing fast and reliable detection. Easy to check the real-time data on the colorful screen with large digits, fast capturing the results. 3 colorful comfort levels demonstrate different air quality status, with alarm function for better and quicker knowing the situations. Anti-slip bottom provides stably stand on the plane, bonus lanyard for the monitor to hang if needed. Built-in 1200mAh large capacity lithium battery, get rid of cable annoyance, flexible to use and charge. Palm size with lightweight, perfect for home, school, office, hotel, car, and other environments. Specifications: Material: ABS Color: White Input: 5V 1000mA Detection: CO2, TVOC, HCHO, Temperature, Humidity Comfort Level: GOOD (Green), OK (Yellow), POOR (Red) Alarm Method: Color Display & Sound Unit: ℃/ ℉ Built-in Battery: 3.7V 1200mAh Lithium Battery Item Size: 7.0 * 3.5 * 10.0cm / 2.8 * 1.4 * 3.9in Item Weight: 123g / 4.3oz Package Size: 13.7 * 10.0 * 7.0cm / 5.4 * 3.9 * 2.8in Package Weight: 208g / 7.3oz Package List: 1 * Air Quality Detector 1 * Lanyard 1 * USB Cable 1 * Manual Package List 1 * Air Quality Detector 1 * Lanyard 1 * USB Cable 1 * Manual