Air Quality Sensor, Mounting Location Duct Mount, Air Quality Measurement Gas Analysis, CO2 Accuracy +/-50 ppm + 2 Percent of MV, Loop Resistance Not Applicable, Power Required 24V AC; 15 to 35V DC, Output 0 to 10V DC, 0 to 5V DC, 4 to 20 mA, Display Type No Display, Housing Material Polyethylene, Housing Color White, Minimum Operating Temperature 32 Degrees F, Maximum Operating Temperature 122 Degrees F. This item has been restricted from sale in the following state (s): []