Indoor air quality monitor desktop carbon dioxide gas co2 meter detector, temperature humidity CO2 monitor Product: Mini Portable CO2 meter air quality monitor Model #: FS-H8 Product Size: 9x7x3.5cm (3.54x2.76x1.38inch) Functions: CO2 monitor + Temperature & Humidity display Power Supply: Built-in 1200mAh battery CO2 Concentration Range: 400PPM~5000PPM (Resolution: 1PPM; Accuracy: �±50PPM�±5%) Temperature Range: 0~70â?? (precision: �±2â??) Relative Humidity Range: 5~90% (precision: �±5%) Input Interface: Type-C (5V) Material: Plastic(ABS) CO2 Sensor: Infrared Warranty: 3 months after shipment Net/Gross Weight: 106/125g Accessories: User manual, USB cable