Engraved Stone Thermometer

Thermometer: 4 1/4" dial, F & Cº degrees, laser engraved stone. Sauna thermometer measures temperature of sauna room. Unique style stone thermometer with engraved numbers. Includes brass trim nail for installing. Measures 40 to 280ºF degrees and 0º to 140ºC Made of carved stone, laser engraved Size: 4 1/4" Diameter Installation Tip: Hang on small nail or screw on wall in neutral area, at least 3 feet away from door and heater, 1 foot down from ceiling for accurate reading of sauna temperature.