for the control of temperature (0…+50°C, precision ± 1°C) and humidity (1…99%, precision ± 3% from 35...75%), indication of dew point, max.-min.-function with time and date of recording, alarm at freely adjustable temperature and humidity values (upper/lower limit), alarm event function, data logger with up to 50,000 measured values, recallable via display radio-controlled clock with seconds, date, time zone ±12 hrs., reversible °C/°F 107 x 83 x 21 mm, 104 g