Euro Black 4" Speedometer 60MPH (GPS)Perimeter-lighted Black dial with bold White graphics, Black aluminum bezel, contoured White pointer and flat glass lens. GPS Speedometer is a drop in replacement for your current speedometer to match your existing instrument dash.GPS information is gathered from an internal GPS antenna. No external antenna required. The Faria GPS Speedometer uses a highly accurate 48 channel GPS receiver. You can be sure that the Faria GPS Speedometer is giving you the most accurate GPS information available on the market today.Course Over Ground (COG) and actual heading (compass heading over ground) are displayed on the optional digital LCD.Speed data is shown by an analog pointer. This pointer is driven by a digital stepper motor for increased accuracy and minimized pointer bounce during vessel operation. 4" Gauge - Hole size: 3.4" (86.36 mm)Features: Anti-scratch glass lens; Plastic Cases for corrosion resistance and long life; Perimeter-lighted Black dial; Can be adapted for 24 VDC systems; Dual Scale - Imperial and Metric; Factory P/N SGP110*Sold as an Individual**Gauge Cover not IncludedThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. - cis2:mm5mnJlm -Specifications: Gauge Type: Speedometer; Voltage - Input Range (Volts): 12/24 V; Gauge Size: 4"; Box Set: No; Series: Euro Black; Box Dimensions: 5"H x 6"W x 6"L WT: 0.7 lbs; UPC: 759266328167;