1. Portability: The carbon dioxide detector is compact and lightweight, making it easy to carry. 2. Fast Detection: The CO₂ meter is equipped with high-quality temperature and humidity sensors for fast and accurate air quality detection. The intuitive data display provides accurate and reliable air quality readings, allowing users to take informed action to improve the health and safety of their indoor environment. 3. Multiple Functions: The air quality monitor detects common air pollutants including CO₂, CO, HCHO, TVOC, PM1.0, PM2.5, and PM10, and also measures air temperature and humidity. 4. Easy to Use: The CO₂ meter starts automatically upon power-on and requires no calibration. With an intuitive interface and simple button controls, this air quality monitor is easy to operate and read. 5. Multi-application: The air quality tester is suitable for monitoring airborne pollutants and is widely used in homes, schools, greenhouses, warehouses, and industrial environments. Specifications: Gas Types Detected: CO₂, CO, HCHO, TVOC, PM1.0, PM2.5, PM10, temperature, humidity Display: LCD screen Model Number: Carbon Dioxide Detector Battery: Built-in 2000 mAh lithium-ion battery Charging Time: 3–4 hours Battery Life: 6–8 hours of continuous use Working Voltage: 3.7 V Current: 150 mA Power Consumption: 0.6 W Material: Plastic Color: White Package Includes: 1 × Air Quality Monitor Note: Color may vary slightly due to screen settings and lighting conditions. Measurement tolerance: ±1–3 cm.