Traceable® Infrared Memory/Alarm Thermometer is small and lightweight. Laser allows accurate targeting. Features include nine memories, audible high/low alarm, selectable backlighting, data display hold, laser targeting, Max/Min, average and differential readings, low-battery indicator, and selectable °C/°F. Distance to Spot (D:S) ratio is 8:1. An individually serial numbered NIST traceable certificate is provided from an A2LA accredited calibration laboratory. The MA-233 is supplied with a wrist-strap, soft-sided carrying case, 9V battery, and Traceable® Certificate.