General description This multifunctional air quality detector offers comprehensive monitoring by displaying six different results simultaneously, including PM2.5, PM10, HCHO, TVOC, CO, and CO2. Its large display screen allows for easy reading of the data, making it a reliable choice for anyone looking to monitor air quality. Technical specifications Material: ABS Color: Black, White (optional) PM2.5 detecting range: 0-999 µg/m³ PM10 detecting range: 0-999 µg/m³ HCHO detecting range: 0-9.999 mg/m³ TVOC detecting range: 0-9.999 mg/m³ CO detecting range: 0-1000 PPM CO2 detecting range: 400-5000 PPM Recharging method: USB 500 mA Type-C interface Battery: 1 * lithium battery, 1200 mAh (included) Item size: 90 * 70 * 35 mm / 3.5 * 2.8 * 1.4 in Package size: 118 * 115 * 48 mm / 4.6 * 4.5 * 1.9 in Package weight: 200 g / 7.1 oz Other information Built-in multiple sensors using infrared, laser, and electrochemical detection technologies for accurate data. Four color alarm system indicating air