Features: Elevates your safety with the Detectors that ensures round the clock protections from bad air quality in any indoor environment. Featuring a digital display, it accurately monitors HCHO TVOC CO CO2 PM2.5 PM10 Temperature Humidity, without requiring complex programming. For homeowners, family, and frequent traveler who prioritize health and safety, this Detectors is a must for peace. Perfect for residential use, kitchens, and camping trip, the tester makes it easy to use in various setting. With its user friendly port and no hassle setups, the tester provide reliable detection and alerts, ensuring you're informing and prepared for air quality. Specifications: Material: ABS Screen: 2.8in Color Display Battery: 1200mAh(Include) Service Time After Fully Charging: About. 240-360 minutes Working Voltages: 5V Measurement: Temperature, Humidity, HCHO(0-9.999mg/m³), TVOC(0-9.999mg/m³, CO(0-999PPM), CO2(400PPM-5000PPM), PM2.5, PM10 Size: About. 70x35x90mm/2.76x1.38x3.54in Package Size: About. 141x98x48mm/5.55x3.86x1.89in Color: 1/2 Package Includes: 1 Set Air Quality Detectors note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.