Extech 421502 Type J/K Dual Input Thermometer with Alarm Thermometer with dual display, relative and programmable high/low audible alarms Temperature range:-328 to 2498-Degrees F (-200 to 1370-Degrees C) for Type K and-328 to 1922-Degrees F (-200 to 1050-Degrees C) for type J Rugged water resistant design with protective holster/stand Large 2000 count LCD displays T1, T2 or T1-T2, plus elapsed time Data hold, relative, MIN/MAX/AVG and hold functions