General Technologies Corp GTC LTX12 Infrared Thermometer with Laser Sight and Thermosounder This provides users with audio feedback allowing for quick and easy detection of both cold and hot spots without the distraction of having to follow and interpret the digital readouts State of the Art patented ergonomic design and styling for enhanced handling and use Wide temperature range: -20 degree to 1200 degree Fahrenheit ( -30 degree to 650 degree centigrade) and an optimum 10:1 distance to measurement spot ratio Large LCD display with symbols and backlight with class II laser pointer Soft holster for instrument protection included