Professional LCD Data Logging Carbon Dioxide Detector with CO2 Concentration

Features:
Warnning carbon dioxide level, let you have a finer living environment.
Large LCD with white backlight, easy to turn the backlight on or off by press the backlight button.
The perpetualcalendar, min reading, USB connecting symbol, date recording symbol, time display, hold mode, max reading, low battery warning symbol, power off symbol(non-auto power off), date recording full capion, CO2 mreasuring reading, air temperature reading, humidity reading, barometric pressure reading will be displayed on LCD screen.
Hold function, press the hold button to freeze the current reading, press it again to exit this mode, but the time display will not be freezed under the mode.
The measurement units are changeable, press the Temperature units button to switch ℃/℉ units, press the Barometric bressure buttonn to change hPa, kPa, inHg, PSI units.
Equipped with max/min value measurement function to allows you to track the maximum, minimum of your readings for parameter each time you power on the unit.
Recording function, press two REC buttons at the same, the REC icon will appear on screen and the meter will now begin logging datas.
Low battery indicator, and auto power off (with override option).
Wall-mounted through reserved hole or placed on the desklop through the foldable stand.
Reading internal memory through USB cable (Data record function).