Koso DL Universal Electronic Speedometer Stainless Stainless steel body with easy-to-read, blue-backlit digital display Display shows speed (mph/kph), odometer, trip meter and fuel level (10-bar display) Face is completely black when off Adjusts to all tires sizes Gauge measures 55mm (2.15in.) Dia. without bezel; 61mm (2.4in.) with bezel