Digital min max thermometer (ZEAL England) P1000
These digital Max/Min thermometers and Thermo-Hygrometers feature large, easy to read dual displays with max/min memory functions and a programmable audible high/low alarm. The Max/Min Thermometer model P1000 accurately measures temperature over the range -50 to + 70°C or equivalent °F with a 0.1°C/°F resolution.