4in1 Air Quality Meter Household CO2 TVOC Tester Portable Temperature Humidity Detector NDIR Sensor Digital Display with Alarm Function

device also integrates temperature and humidity detection functions, allowing you to monitor the air quality around you wherever you are.【Air Quality Classification & Intelligent Alarm】:  It is fitted with a bright display to show measurement results. Equipped with an air quality classification function, this device uses three different colors to correspond to different air quality levels, allowing you to understand the current air conditions more accurately and visually. It also features a sound alarm function to prompt timely action when necessary.【High Sensitive & Accurate Detection】: The device features a 3D porous housing with multiple ventilation holes to facilitate real-time air circulation and convection. This design ensures that the sensor is in fullcontact with the air, enhancing its sensitivity and enabling accurate detection of small particle content.【Convenient to Carry & Widely Used】: This device is powered by a 2500mAh high-capacity rechargeable lithium battery and features a Type-C charging port, ensuring long-lasting performance suitable for a variety of complex environments. It can be widely used in various settings, including homes, greenhouses, camping barbecues, factories, automobiles, and for environmental monitoring.Specifications:Name: Air Quality TesterMaterial: ABSBattery: 1 * built-in 2500mAh lithium battery (included)Charging mode: 5VDC Type-C interfaceCO2 measurement ranges: 400-5000PPMTVOC test ranges: 0.000-5.000mg/m3Temperature test ranges: -20℃ to 40℃ / -4℉ to 104℉Humidity test ranges: 20-99%RHItem size: 117 * 73 * 60mm / 4.61 * 2.87 * 2.36inItem weight: 165g / 5.82ouncePackage size: 145 * 100 * 75mm / 5.71 * 3.94 * 2.95inPackage weight: 320g / 11.29ouncePacking List:1 * Air Quality Tester1 * Type-C Cable1 * Instruction