SPER Scientific Humidity/Temp Monitor, -58 to 158deg F

SPER Scientific Humidity/Temperature Monitor, -58 to 158 deg F, +/-2 deg F, +/-5% Accuracy, 0.1 deg F, 0.1 deg C, 1% Resolution, 2-1/2 in Width, 1-1/4 in Depth, Additional Information: 4-1/4 in L. Simultaneously monitors both temperature and humidity on an extra-large 3-3/16 x 2-1/2 in dual display which can be read from across a room. Monitor humidity and temperature in labs, chemical storage areas, clean rooms, stock rooms, warehouses, factories, greenhouses and outdoors. Recall min/max temperature and min/max humidity readings over any time period or have it automatically reset itself every 24 hr. Stand or wall-mount. Comes with 1 AAA battery which lasts a full year - SPER