This is a good question for h7 led canbus error free bulbs.

As you know, most of original car headlight bulbs are all halogen bulbs and electric current of halogen bulb is over 4 amp.

But h7 led canbus error free is only 2 amp.

When you use h7 led canbus error free instead of halogen, maybe hyperflash will be caused.

So h7 led need to put canbus error free because h7 led canbus error free can remove 90% hyperflash problem.

I would like to give you picture of our h7 led canbus error free bulbs as below.