This kit is ideal for monitoring indoor environmental quality and includes:

 1 HOBO U12-013 logger (temp/RH)
 1 Telaire 7001 CO2 sensor
 1 CABLE-CO2
 HOBOware Lite software

specification:

Memory: 43K
Sample rate: 1 second to 18 hours, user-selectable
Battery life for U12: 1 year (typical) user-replaceable
CO2 sensor includes AC Power Supply

Temperature:
Range: -20C to +70C (F)
Accuracy: +/-0.4C
Detailed specifications can be found here.

RH:
Range: 5% to 95%RH
Accuracy: +/-2.5% typical
Detailed specifications can be found here.

CO2:
Range: 0 to 2500 ppm
Accuracy: +/-50 ppm
Detailed specifications can be found here.

Producing Area:USA