Joker Machine Single Rat Eye LED turn signals will give your bike more lighting in a cool compact design. The dome shape of the light produces a wider range of light around the bike. The LEDs are designed for long life and low energy draw.; Amber LEDs Black housing Housings are CNC-machined from billet aluminum Each signal has DOT-approved 18mm amber or red LEDs Exceptional beam angle Single-function design (can be converted to run/turn or run/turn/brake) Side-mounted, wires exit from the back of the signal housing Compact design measures 1.5" L x 0.875" square; stands off the bike 1.20" when mounted Mount to any 5/16" or 8mm hole Mounting hardware included Optional adapter plates feature large 1 1/16" x 3/16" hole and mounting hardware