Fits nicely between the saddlebag and fender on any flat surface Great solution for adding rear lights LED is a 3-wire light and can be used as running, turn and/or brake lights You may need a load equalizer or turn signal controller depending on your application Billet housing is 8-3/8" L x 1-1/2" W LED unit has 10 LED's and is 5-1/4" L x 1/2" W Requires approximately 3/4" clearance Machined from 6061 T6 billet aluminum and then chrome plated