SPER Scientific Humidity/Temp Monitor, 32 to 122deg F

SPER Scientific Humidity/Temperature Monitor, 32 to 122 deg F, +/-2 deg F, +/-5% Accuracy, 0.1 deg F, 0.1 deg C, 1% Resolution, 3-3/4 in Width, 7/8 in Depth, Additional Information: 4-1/4 in L. The remote ambient temperature/relative humidity sensor is mounted on a cord over 4 ft long. Place the highly accurate sensor inside a desiccator, refrigerator, drying or other environmental chamber and view simultaneous displays of temperature and relative humidity outside on the large LCD display. Recalls min/max readings on both parameters. deg C and deg F selectable. Wall-mounted or free-standing. Comes with 1 AAA battery which lasts a full year - SPER