6-in-1 mini CO/02 temperature humidity barometric pressure oxygen gas analyzer
【6 Sensors in 1】:This Device monitors 6 parameters of Oxygen, CO, Altitude, Atmospheric Pressure, Temperature and Humidity, which meet major risk management requirement for various outdoor activities
【User Friendly】:Turn on, and start work to meet outdoor activities, so it requires no internet, APP, or extra adjustment and calibration. English User Manual is well written by English speakers instead of machine translation