The RHM16 is a Miniature Hygro-Thermometer ideal for monitoring Temperature and Humidity conditions in enclosed or open space environments. It helps gauge proper heat and moisture levels and it also records high and low extremes during the day. Simultaneous display of Temperature and Humidity conditions in enclosed or open space environments. It helps gauge proper heat and moisture levels and it also records high and low extremes during the day. Featuring a simultaneous display of Temperature and Humidity. Complete with built-in tilt stand and LR44 battery.