USB Powered CO2 Detector CO2 Concentration Detector Environmental Testing Instrument Air Quality Monitor Detector Carbon Dioxide Detector Air Quality Detection Instrument

Features:
USB power supplys, Direct Current 5V.
3.5 inch TFT color display, 480 * 320 resolution, display is clear and easy to observe.
Capacitive touch, easy to operate, sensitive and convenient.
Dual Channel NDIR CO2 sensor, NDIR life times is about 15 years.
7 days CO2 history data diagram, 7 days temperature and humidity history data diagram, be able to observe historical data and analyze environment.
With humidity sensor (+/- 3%) and ambient light sensor.
CO2 high, low alert message reminder, can help to adjust the air condition in times and keep a nice living environment.
Auto ON/OFF via ambient light, Auto change daylight savings (DST).
C/F temperature display.
Children touch-lock.
Multi language, suitable for users in different countries.
Night light option (Auto On/Off with ambient sensor), Auto backlight dim with ambient light sensor.