The UTLIR2 infrared thermometer makes it easy to check the temperature of vents, various rooms, motor bearings, power panels and fuses, and an amazing variety of other applications. It includes laser sighting to help identify your temperature target. Includes: Batteries 2(AA) Features: -36.4 to 689 F Precision laser targeting Backlit Display Easy one handed operation 10 to 1 spot ratio Auto Shut-Off.