Air Quality Monitor CO2 Detector, TVOC Air Meter Temperature and Relative Humidity CO2 Meter, Calendar,Threshold Alarm, Air Meter BUZ Alarm AQI

【6-in-1 multi-function air quality detector】Multifunctional air quality detector, can detect PM2.5, CO2, TVOC, HCHO, temperature, humidity, AQI data, easy to check air quality, color change is very intuitive, with buzzer alarm
【Sound and Color Alarm】TFT screen & alarm setting mode: 2.8-inch TFT color screen display, 24-hour real-time function, clearer viewing data at any time, everyday history ,every month history, with automatic alarm function, user sets the alarm threshold, when the threshold is reached, the alarm will be alarmed, and the history record saves the data of the current day and the current month data
【Rechargeable Battery】Rechargeable Battery: The air quality monitor has a 1200MAh rechargeable lithium battery and comes with a Type-C USB cable, the device can work continuously for 8 hours. You can charge the air quality monitor through power bank, power adapter, computer, PC, laptop. The built-in low-power processing chip can continuously monitor the air quality for a long time. 3 hours low voltage charging time, built-in overcharge protection
【Appearance and size】Appearance and size: The size of the device is 3.54 inches * 2.75 inches * 1.96 inches, the viewing area of the screen is 2.72 inches * 1.69 inches, the body is trapezoidal with an inclination angle, which is convenient for users to watch the screen, and the back cover can be hung on the wall
【Instructions for use and after-sales】Packaging and application site: The equipment is well packaged, the upper and lower covers of the hard box are designed, the delivery list is a set of equipment, USB cable, manual, easy to use, long press for 3 seconds to turn on, long press for 3 seconds to shut down, easy to operate for the elderly and children , home, supermarket, shop, school, office, leisure can be used