Nubee Dual Laser Optical Focus Temperature Gun Non Contact Infrared IR Thermometer Dual lasers pointers ensure high precision and allow you to see the actual target diameter. It also indicates ideal measuring distance Engineered to high precision standards. Accurate readings from -58 to 1076 DegreeF ( -50 to 580 DegreeC);Temp readings for current and max temperature Instant-Read with less than 1 second response time; auto shutoff at 15 seconds when idle; Celsius and Fahrenheit switchable; low battery indicator High distance spot ratio 16:1- measures smaller surface areas at greater distances than 12:1 and 8:1 models. Battery And case w/ belt loop(include) Ability to measure hazardous, inaccessible and moving objects, U.S. FDA, FCC, CE, ROHS approved