Feature: 1. Air Quality Monitors: Utilizing a combination of NDIR infrared, laser particulate, semiconductor, and optical sensors, this versatile air quality detector can accurately measure real-time levels of AQI, CO₂, PM2.5, PM1.0, PM10, HCHO, TVOC, temperature and humidity. 2. Accurate and Reliable: Equipped with latest infrared, laser and semiconductor detection technology, the air quality detector delivers precise readings of harmful pollutants such as PM2.5, PM1.0, PM10, HCHO, TVOC, and CO₂ levels in your home, ensuring your peace of mind regarding the air you breath. 3. Real-time Display: Equipped with a high-quality NDIR infrared sensor, the device allows you to monitor air quality changes through a display that combines digital. This empowers you to take necessary actions to enhance the air quality in your surroundings. 4. Easy to Use: No need for complicated apps or Wi-Fi connectivity. Once activated, the air quality meter automatically measures the ambient air quality for you. Designed for simplicity, our indoor air quality meter can be operated by anyone, anywhere. 5. 2500mAh Capacity Battery: The air quality monitor incorporates a built-in 2500mAh rechargeable battery with a substantial capacity. Moreover, its portability enables easy relocation within your home or office. Specification: Specifications: Model: HAQ66 Material: ABS Sensors: NDIR infrared CO2 sensors, laser particulate sensors, semiconductor sensors, optical sensors Detection Technology: Infrared detection technology, laser detection technology, semiconductor detection technology Display Mode: TFT-LCD display Input Voltage: 5V Battery Capacity: 2500mAh Charging Interface: Type-C CO₂ Detection Range: 400~5000PPM CO₂ Detection Accuracy: ±(50PPM+5% * reading) PM1.0/2.5/10 Detection Range: 0~1000μg/m³ PM1.0/2.5/10 Detection Accuracy: ±10μg/m³ (0~100μg/m³) ±10% (100~500μg/m³) HCHO Detection Range: 0~1.999mg/m³ TVOC Detection Range: 0~9.999mg/m³ Temperature Detection Range: 0~50℃ Temperature Detection Accuracy: ±1℃ Humidity Detection Range: 0~99%RH Humidity Detection Accuracy: ±5%RH Item Size: 160 * 74.2 * 24mm / 6.29 * 2.92 * 0.94in Item Weight: 172g / 6.06oz Package Weight: 271g / 9.55oz Package Size: 17.5 * 10.7 * 3.7cm / 6.88 * 4.21 * 1.45in Package List: Package List: 1 * Air Quality Monitor 1 * Type-C Cable 1 * User Manual (English)