The IRT203 and IRT408K infrared thermometers offer laser sighting. The IRT203 HVAC and general-purpose thermometer features 6:1 optics, whereas the IRT408K wide-range gun-style thermometer has 11:1 optics. The temperature range of the IRT203 is -67° to 482°F (-55° to 250°C). Features of it include min/max/lock functions, one-second response, and a pocket-size design. It comes with a safety strap, case, and battery. The measurement range of the IRT408K is -76° to 932°F (-60° to 500°C). Features include data hold, min/max/average functions, alarm, and bright backlight. Batteries are included.