Sterling Series Instruments feature a brushed aluminum dial and retainer providing an elegant look for your boat. The Sterling Speedometer Kit features a stylish gauge that uses a pitot-style sensor to display speeds up to 80mph. This gauge features a brushed aluminum dial gauge, black numerals, and a black pointer for easy readability during the day. The thru-dial and white perimeter lighting enhance readability at night. Scratch-resistant curved glass lenses features near flush stainless steel bezels provide a polished look to your boats dash. Key Features U.S. and metric scales with ISO symbols Perimeter and thru-dial lighting for night readability Dial range is 20-80mph Gauge size is 3” For more information regarding this instrument and the complete range of the Sterling Signature Series Instruments, please refer to theSterling Series Instrument Overview.