This is a DOT approved handlebar switch assembly which features a turn signal switch, headlight HI/LOW and a passing lever [toggles lowto high etc] which can be used as a kill switch as well. It also has a horn button, and LED indicator.
The wire length is 14", 6 amp switch 6V to 14V, overall width is just over 51mm.
Fits all standard 7/8" bars.
