This multifunctional detector allows you to better understand the current environment, including temperature, humidity, PM2.5, TVOC, CO2, and CH2O. This tool can be widely used in your home, living room, bedroom, office, and other places. If you need it, come and try it, it won't let you down. Features: Large LCD Display: The large display allows you to browse data more clearly, making it more convenient for the elderly and children, giving you a better experience. Portable Size: The small size of this tool is very convenient for daily use, you can put it on a desk without taking up too much space. 6-in-1 Detection: It will display the detection temperature, humidity, PM2.5, TVOC, CO2, and CH2O for you. Wide Applications: This detector is suitable for indoor air quality detection and can be widely used in your home, living room, bedroom, office, and other places. Easy to Use: One-button open design allows you to use this tool easily. Two Versions Optional: There are two versions for you to choose: the normal version has no internet connection to mobile phone function, the WiFi version supports connection with mobile phone and allows viewing, synchronization, intelligent linkage function of Tuya APP remote controls. Specifications: Material: ABS Type: No WiFi, WiFi Version (Optional) Color: Black, White (Optional) PM2.5 Measuring Ranges: 0-999ug/m3 Resolution: 1ug/m3 Temperature Data: 0~60℃ Humidity Measuring Ranges?: 0-99% RH TVOC measuring ranges: 0-3mg/m3 Resolution: 0.001mg/m3 CO2 measuring ranges: 400-5000PPM CH2O measuring ranges: 0-3mg/m3 Resolution: 0.001mg/m3 Battery: 1 * Lithium battery, 1200mAh (included) Package size: 120 * 110 * 50mm / 4.7 * 4.3 * 2.0in Package weight: 260g / 9.2ounces Packing list: 1 * Air Quality Detector 1 * Cable 1 * Manual