Features: Distance to spot ratio is 12:1 Laser sight allows accurate targeting Celsius and Fahrenheit switchable Emissivity is adjustable Laser on / off switch, auto power off and temperature data hold function Suitable for hot water pipes, hot engine parts, cooking surfaces, hot tubes insulation, electrical connection, ballasts in electric lights, electric motors, bearings, wine coolers hot asphalt, swimming pools, fish tanks, hot and cold food products, heating air conditioning, etc Specifications: Measurement range: -58℉-1022℉/-50℃-580℃ Accuracy: 2% percent or2℃ Resolution: 0.1℃or 0.1 ℉ Response time: 800ms Primary functions: Surface temperature measurement Power: 1.5V (AAA) x 2 Weight: 67g Size: 16.0 x 8.0 x 3.5 cm Package Includes: 1 x Infrared Thermometer 2 x AAA Batteries 1 x User Manual