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The remote ambient temperature/RH sensor is mounted on a cord over 7’ long. Place the highly accurate sensor inside a desiccator, refrigerator, drying or other environmental chamber and view displays of temperature or RH together with their min-max readings on the monitor outside. Select ºC or ºF and minimum and maximum temperature and RH alarms. When these parameters are exceeded an audible alarm sounds. Stands or wall mounts. Takes 1 AAA Battery. Dim: 4 1/8” X 2 ¾” X 6/8” (105 X 70 X 20 mm). Weight: 3 oz (85 g).