Feature: 1. Comprehensive Air Quality Monitoring: This detector offers real time monitoring of multiple air quality indicators including CO2 concentration, CO concentration, TVOC value, HCHO value, PM2.5, PM1.0, PM10 values, temperature, and relative humidity, providing a thorough analysis of the air you breathe. 2. Large Clear Display: Featuring a large digital screen with backlight, the display is easy to read and supports an alarm function for immediate notification of any concerning air quality readings. Multiple display modes allow for customization based on your preferences. 3. High Accuracy Sensors: Utilizing air semiconductor, infrared PM2.5, and electrochemical sensors in combination with a high performance chip, this detector ensures accurate and accurate measurements with an accuracy level reaching 1PPM, providing reliable data for informed decision making. 4. Long Lasting Rechargeable Battery: Equipped with a 2000mAh high capacity rechargeable battery, this detector offers low power consumption and extended endurance, eliminating the need for frequent battery replacements and ensuring continuous monitoring convenience. 5. Efficient Heat Dissipation: The detector is designed with multiple ventilation holes to enhance air convection and heat dissipation, ensuring effective detection performance. Lightweight and portable, it is suitable for various settings such as home, office, school, warehouse, or agricultural environments without requiring calibration at startup, offering automatic monitoring for peace of mind. Specification: Item Type: Air Quality Monitor Color: White Material: ABS Display: 2.8 Inch TFT Screen CO2 Detection Ranges: 400-6000PPM, ±50±15%PPM CO2 Detection Accuracy: 1PPM CO Detection Ranges: 0-500PPM CO Detection Accuracy: 1PPM TVOC Detection Ranges: 0-2.0mg/m3 HCHO Detection Ranges: 0-0.6mg/m3 PM2.5 Detection Ranges: 0-1000ug/m3 PM2.5 Detection Accuracy: 1ug/m3 PM1.0 Detection Ranges: 0-1000ug/m3 PM10 Detection Ranges: 0-1000ug/m3 Temperature Detection Ranges: -10-50℃, ±2℃ Humidity Detection Ranges: 0-99%RH, ±3%RH Input Voltage: 5V, 1A Battery: Built In 3.7V, 2000mAh Lithium Battery Working Current: 260mA Power: 1W Item Size: 89 x 82 x 36mm/ 3.5 x 3.2 x 1.4in Item Weight: 160g/ 5.6oz. Package List: 1 x Air Quality Monitor 1 x USB Cable 1 x Manual