3-in-1 air quality detector monitors PM2.5, temperature and humidity in real time with high detection accuracy, reminding you to make timely adjustments according to air quality. Large screen display, clear readings, compact and lightweight, easy to carry. Features: 3-in-1 air quality detector monitors dust PM2.5, temperature and humidity in real time. Combines an air sensor with a built-in fan that draws in air to get accurate results. Built-in 1000mAh high-capacity battery, low power consumption and long endurance. Large LCD display, clear and easy to read. Support low battery alarm to remind you to recharge in time. Compact and lightweight, easy to carry, perfect for home, office, car, school, etc. Specifications: Color: White Material: ABS Display: LCD Screen Atmospheric Pressure: 86Kpa-106Kpa PM Detectionmethod: LaserScattering Sampling time: 1.5 seconds PM2.5 Detection Ranges: 0-999ug/m3 Temperature Detection Ranges: -10-50 Humidity Detection Ranges: 20-85%RH Storage temperature:-10-60C Input Voltage: 5V Battery: Built-in 3.7V, 1000mAh Lithium Battery Item Size: 100 * 95 * 47mm/ 3.9 * 3.7 * 1.9in Item Weight: 168g/ 5.9oz Package Size: 117 * 117 * 78mm/ 4.6 * 4.6 * 3.1in Package Weight: 350g/ 12.3oz Packing List: 1 * Air Quality Monitor 1 * USB Cable 1 * Manual