2 ms·
For the US see https://en.m.wikipedia.org/wiki/Headlight_flashing#United_States https://en.m.wikipedia.org/wiki/Headlight_flashing#United_St...
by leetrout 6y ago
For the US see https://en.m.wikipedia.org/wiki/Headlight_flashing#United_States https://en.m.wikipedia.org/wiki/Headlight_flashing#United_St...