& : Each infrared thermometer , , making it easy to read temperatures even in low light. With 2 AAA batteries included, powering up the thermal gun is a cinch. : The Lasergrip's 12:1 -- enables you to accurately measure temperatures from a comfortable distance. For best results, position the thermometer approximately 14.17 inches / 36 centimeters away from the target. : Infrared technology allows you to measure various objects at home and outdoors; Use it for , , , , , , , /, , etc. : The Lasergrip has been upgraded to run on 2 pre-installed AAA batteries, which are more convenient to replace than 9V batteries. : The Lasergrip is intended for use on inanimate objects only. Measuring the temperature of a human or animal is unsafe. : Scan the surface of your object, hold down the trigger of the thermometer gun, get temp anywhere within the range of -58842F / -50450C. Then watch as your result appears on the bright LCD display in less than half a second. : The new Lasergrip . Additionally, the 15- - extends battery life, while the low battery indicator lets you know when it's time to replace to batteries.