This multifunctional detector allows you to better understand the current environment, includes the 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 have a try, it will not let you down. Portable Size: The small size of this tool is very convenient for everyday use, you can put it on a desktop without taking up too much space. 6 In 1 Detecting: It will display the detecting tempeature, humidity, PM2.5, TVOC, CO2 and CH2O for you. Wide Applications: This detector is suitable for indoor air quality detecting, and can be widely used in your home, living room, bedroom, office and other places. Easy To Operate: One button open design allows you to use this tool easily. Two Versions Optional: There are two versions for you to choose from: The normal version doesn't have an Internent connection to mobilephone function, the WiFi version supports to connect with the mobilephone and achieve Tuya APP remotes viewing, timing, intelligent linkage function. Specifications: Material: ABS Type: without WiFi, WiFi version (optional) Color: black, white (optional) PM2.5 measuring ranges: 0-999ug/m Resolution: 1ug/m3 Temprature data: 0~60 Humidity measuring ranges: 0-99%RH TVOC measuring ranges: 0-3mg/m Resolution: 0.001mg/m CO2 measuring ranges: 400-5000PPM CH2O measuring ranges: 0-3mg/m Resolution: 0.001mg/m Battery: 1 * lithium battery, 1200mAh (included) Package size: 120 * 110 * 50mm / 4.7 * 4.3 * 2.0in Package weight: 260g / 9.2ounce Packing list: 1 * Air Quality Detector 1 * Cable 1 * Manual