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The knowledge about high beam and low beam

2016-05-31

Low beam
Low beam (dipped beam, passing beam, meeting beam) headlamps provide a distribution of light designed to provide 
adequate forward and lateral illumination, with limits on light directed towards the eyes of other road users to control 
glare. This beam is intended for use whenever other vehicles are present ahead, whether oncoming or being overtaken.


The international ECE Regulations for filament headlamps and for high-intensity discharge headlamps specify a beam 

with a sharp, asymmetric cutoff preventing significant amounts of light from being cast into the eyes of drivers of preceding 
or oncoming cars. Control of glare is less strict in the North American SAE beam standard contained in FMVSS / CMVSS 108.


High beam
High beam (main beam, driving beam, full beam) headlamps provide a bright, centre-weighted distribution of light with 
no particular control of light directed towards other road users' eyes. As such, they are only suitable for use when alone 
on the road, as the glare they produce will dazzle other drivers.


International ECE Regulations permit higher-intensity high-beam headlamps than are allowed under North American 
regulations.

Our JC0512A-60W and JC1007-70W also have high and low beam
JC1007-70W


JC0512A-60W


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