Technical Details: - Temperature and humidity range: 0 - 45 °C, 0 - 99 % - Measuring rang HCHO: 0.000 - 1.999 mg/m³ - Measuring range TVOC (including benzene): 0.000 - 9.999 mg/m³ - Measuring range PM2.5 and PM10: 0 - 999 µg/m³ - Environmental conditions: -10 - 45°C, 20 - 85% - Storage temperature range: -20 - 50°C - Battery capacity: 2000mAh Lithium-Battery - Input: 5.0V / 500mA - Atmospheric pressure: 86 - 106 Kpa - Dimension: 146mm x 99mm x 65mm - Weight: 225g