Data Logger, Carbon Monoxide, Temp. Range (F) 14 Degrees to 104 Degrees F, Pressure Range 0 to 1000 ppm, Accuracy +/-6 Percent, Software Required Windows 2000, XP and Vista (32-bit), Interface USB, Includes 32, 510 Readings, Lithium Battery. This item has been restricted from sale in the following state (s): []