Any motorcycle may be equipped with a means of modulating the upper beam of the headlamp between a high and a lower brightness at a rate of 200 to 280 flashes per minute. Such headlamps shall not be so modulated during darkness.
Cal. Veh. Code § 25251.2
Flashing and Colored Lights
Added by Stats. 1980, Ch. 35, Sec. 1
Official source: California Legislative Information. Reproduced from public-domain California statutes; confirm against the official source for the current text. Not legal advice.