Extech Instruments Hygro-Thermometer Mini

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From Extech:The RHM15 is a mini hydro-thermometer monitor which measures humidity and temperature and displays it simultaneously. The RHM15 has a built in memory which stores maxim um and minimum readings. The RHM15 features a low battery indication and comes with a built in stand, user's manual and LR44 battery. Temperature: 14 to 140°FHumidity: 10% to 99% RH Show more