5-in-1 Air Quality Monitor Indoor, Professional Portable Detector & Accurate CO2, TVOC, HCHO, Humidity& Temperature Particle Counter, for Home, Office, School, Hotel, Car Air Quality Tester (White)

【Multifunctional & Easy to Read】Since clean air means a lot to every one. Our indoor air quality monitor offers accurate monitoring of CO2, HCHO, TVOC, temperature and humidity, all displayed on utral-high definition color screen for people easy to identify and read. With its convenient design, you’ll monitor the environment at any time and it efficiently measures five a very powerful indexes for evaluating air quality
【High Accuracy & Fast Refresh Data】Equipped with a high-performance chip that ensures fast and accurate datas. Utilizing advanced infrared (NDIR) sensor technology for the CO2, Electrochemistry sensor for the HCHO and TVOC. Compare with the common sensor, it is more sensitive, correctly and stable
【User-Friendly Operation】 Simply press and hold the “Power” button for 3 seconds to turn on or off the indoor Air Quality Detector. Once turned on, it is going to automatically begin detecting. The default temperature unit is Celsius (℃), but if you prefer Fahrenheit (℉), simply press and hold the “Power” button for 1 second to switch temperature units
【Two power supply options】 Our indoor air quality monitor is equipped with a built-in 1200mAh rechargeable lithium battery and a USB charging cable. It can last up to 8 hours on a single charge, making it suitable for portable use. If used for an extended time frame in a fixed location, it is suggested to insert the USB charging cable to verify uninterrupted operation. (Note: Data may be less accurate when the use of it whilst charging or when the battery is low. Charging plug not included)
【Wide Application】This portable intelligent home air quality meter can detect air quality in bedrooms, living rooms, kitchens, cellars, cars, grow tents, offices, schools, hotels and more. it may be placed on the desktop for easy viewing, is an ideal indoor air quality detector for our lives
【Special note】In single-channel infrared detection technology, CO2 data will inevitably shift after transportation or use for a time frame, so manual calibration is required. If the CO2 data deviation is found to be large after the first startup, calibration is required. After the device is powered on, place it outdoors or near a window for more than 10 minutes. Press the multi-function button 3 times in succession and the calibration will be completed after a beep sound