FLIR TG54 Spot Infrared Thermometer Item is a Class I laser product, .39mW power output. Measurable range from -30C to 650C (-22DegreeF to 1202DegreeF) Take non-contact surface temperature measurements with IR (infrared) sensor 24:1 spot ratio to measure smaller targets from a safer distance Simple emissivity selection with predetermined levels and custom adjustment Rugged, industrial design that can withstand a three meter drop