VETUS boat instruments offer a number of key benefits over other brands: .High degree of accuracy: Each instrument is tested and calibrated individually. Reliability and longevity: Very low maintenance. Smart illumination: Translucent dials, illuminated from below. Double glazed: Prevents condensation as far as possible. Supplied with: Two round bezels as standard: one black, one chrome finish. Reading: Temperature 40-120°C, 105-250°F. Dial Colour: Black. Voltage: 12v. Height: 10 mm. Overall diameter: 63 mm. Cut-out diameter: 52 mm.