Features: This 5 in 1 Air Quality Monitors offer detection of CO2, TVOC temperature, and humidity, ensuring you stay inform about your environment's air quality. This air quality detector features a rechargeable battery with over 5 hours of use per charge. Suitable for health individuals and family, this device help Monitors indoor air quality to maintain a safe and comfortable living space. Perfect for use in bedrooms or any indoor area where air quality is a concern, providing comprehensive monitoring capabilities. Suitable for anyone improve their home's air quality. Specifications: Component:ABS Color:Black/White Battery capacity: 1200mAh 3.7V Charging time: 2-3 hours Use time: 240-360 minutes Size:Approx.90x70x40mm/3.54x2.76x1.57inch Note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item. Package includes: 1Pc Air Quality Monitors Air Quality Meter 5 in 1 Air Quality Tester Portable CO2 Meter Air Quality Tester CO2/TVOC Temperature Humidity MeterIndoor Air Quality Sensors Detection Temperature Humidity Display for Monitoring Room Climate Healthy EnvironmentAir Quality Monitors\nRechargeable CO2 Meter\nIndoor Air Quality DetectorCO2 Detector