General Technologies' LTX12 Infrared Thermometer has a ThermoSounder feature that 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. The unit has an ergonomic design and styling for enhanced handling and use, a large LCD display with symbols and backlight, quick selection between °F and °C, continuous reading and data hold modes and plus a Class II laser pointer. Its temperature range is -20° to 1,200° F, with an optimum 10:1 distance-to-measurement spot ratio.