USB Carbon Dioxide CO2 Data Air Temperature Logger Humidity Meter Monitor LCD

Features: - Measure CO2 concentration, temperature, humidity, dew point temperature and wet bulb temperature; - Super large LCD simultaneously display and log CO2 level, temperature (C / F) relative humidity, calendar (Y/M/D) and time (clock); - Warning Carbon Dioxide level; - Stable NDIR sensor for CO2 concentration; -NDIR (Non-Dispersive Infrared) waveguide technology with ABC (automatic background calibration); - High and low threshold setting; - Backlight function; - Recall Max and Min reading; - Long time drift compensation. Specification: Power Supply: 1A Output 9VAC Adaptor, 4x1.5V(AAA) (Battery not Included) Size: about 140 x 100 x 38mm(5.51 x 3.94 x 1.50") Carbon Dioxide(CO2): Range: 0~9999(out of scale) Accuracy: 50ppm5%rdg(0~5000) Temperature Range: -10.0~70.0C(14~158F) Resolution: 0.1C/F Accuracy: 0.6C/0.9F(0~50C/32~122F),others1.2C Humidity Range: 0.1~99.9% Resolution: 0.1C/F Accuracy: 3%(10~90%) Operating Condition: 0~50C,0~95%RH Storage Condition: -20~60C,0~99%RH Storage Temp: -40~70C(-40~158F) Package includes: 1 x Carbon Dioxide (CO2) Data logger Monitor (Battery not Included) 1 x Power Adaptor 1 x USB Cable 1 x CD Software 1 x Instruction Manual Details pictures: