Design tucks the turn signals under your controls for a minimalist look. The dome shape of the light produces a wider range of light around the bike. Solid-state LEDs are designed for long life and low energy draw. Fit any 5/16" or 8mm mirror mounting bolt. Must have mirrors that use a mounting bolt that threads into the mirror stem. CNC-machined from billet aluminum. Can operate as run/turn signal with intensifier. Dimensions: 0.875" wide, 1.6875" tall, 1.625" long; stands off the bike 1.20". Made in the U.S.A.. Additional electrical equipment may be needed to complete installation.