Thermo hygrometer DP

"Dewpoint pro" digital thermo hygro- meter for the control of temperature (-40 ...+70°C, precision ±0.5°C) and humidity (1...99% rh, precision ±3 %), °C/°F-switch, calibration capable, hold-, max.-min.-function, indication of dew point, wet bulb temperature, ideal for checking room conditions, with clip for fixing, batteries 2 x 1.5 V AAA included