All shift lights plug directly into Digital Shift Controller or AutoMeter tachometer with dedicated shift light connector. LED Super Lite shift light features 12 amber LEDs that can be adjusted to three levels of brightness. also functions as a direct replacement for all shift lights. Measures 5" Deep x 3" High x 1.625" Diameter.. Current Draw: 95 mA (Min) 135 mA (Med) 200 mA (Max)