Extremely Small and Bright Custom Mini LED Brake and Turn Signal License Plate Bolt Fasteners for Motorcycles (Amber) Each assembly contains custom designed LEDs providing an output of 12,000 MCDs from each LED. With the added crystal magnifying optics, they actually have the look of small lasers Overall dimensions per light: 1/2" dia. x 1/3" H (thread length .332") Dual brightness levels. Lights operate as tail/running lights and brake/turn lights Voltage range: 6-15 volts DC - Color options include red, amber, and white - Replacement bulbs are available All bulbs have a service life of more than 100,000 hours of continuous use - All metal construction - Minor drilling may be necessary