Auto Meter 4310 Ultra-Lite Electric Programmable Fuel Level Gauge Traditional incandescent lighting illuminates around the perimeter of the dial Gauge kit includes 20 ft. wiring harness, bulb and socket assembly, red and green bulb covers, mounting hardware, and detailed instructions for installation Adjustable Scale w/ 7 preset ranges for common vehicle types (73E/10F, 16E/158F, 0E/30F, 0E/90F, 240E/33F, 107.5E/7F, 131E/12F) User definable resistance setting programmable anywhere between 0-280 ohms 12 and 16 volt compatible, compatible with nearly every street car or race car electrical system