7" Brass Marine grade Thermometer-Hygrometer weather station . This beautiful Comforter style weather station comes with a dual movements that reads your Temperature and Humidity. It's designed to withstand the toughest outdoor conditions. The solid brass case has been doubly protected with a zirconium plating based on chromium plating. It will never tarnish or discolor. This quality brass instrument would be an excellent choice for any marine vessel to add classic nautical flair and functionality. The brass case features a working hinged porthole and four mounting holes in the base flange. Four brass mounting screws will accompany the instrument which requires no setting - ready to use. The thermometer measures the temperature in both Celsius and Fahrenheit. The hygrometer measures relative humidity in percentages.