Heavy duty pistol grip infrared thermometer for professional residential, commercial and industrial applications. A great value for the money, the Laser TEMP-GUN™ is a terrific diagnostic tool to check for surface hot spots which are a clear indicator of electrical problems. Milwaukee 2265-20 Laser TEMP-GUN™ Thermometer features: temperature range of -22 to 662°F (-30 to 350°C); accurate to within 1.5%; displays temperature values to one tenth of a degree; response time of less than 500 milliseconds; emissivity of 0.95; equipped with hold and max value functions; measures a one (1) foot spot from ten (10) feet away; high contrast white on black display and backlight for easy reading; rugged over-molding for improved durability and user grip; includes three (3) AA batteries, and manual; covered by 5 year warranty. Nothing but HEAVY DUTY.