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