THE TRIPLETT RHT22 SIMULTANEOUSLY DISPLAYS HUMIDITY (10 TO 99RH) AND TEMPERATURE (32 TO 122/0 TO 50C) ON A LARGE EASY-TO-READ LCD. TEMPERATURE READINGS ARE F/C SWITCHABLE. ICONS INDICATE COMFORTABLE WET OR DRY HUMIDITY CONDITIONS. MIN/MAX FUNCTION WITH RESET RECORDS THE HIGHEST AND LOWEST READINGS TO MONITOR CHANGING CONDITIONS OVER TIME. THE RHT22 CAN BE PLACED ON A FLAT SURFACE USING ITS BUILT-IN STAND OR WALL MOUNTED IN LABS GREEN HOUSES CLEANROOMS WAREHOUSES MUSEUMS OFFICES SCHOOLS HOMES AND VIRTUALLY ANYWHERE INDOOR HUMIDITY AND TEMPERATURE HAVE TO BE MONITORED. COMES COMPLETE WITH AAA BATTERY. 1-YEAR WARRANTY.