p21w led canbus include many types.

In this letter, I would like to explain to you our p21w led canbus as below.

The first generation type is p21w led cap bulb, which is not canbus and also it’s not bright.

The second generation type is p21w smd led canbus.

Although p21w led canbus with canbus, they are still not very bright.

At the present, newest p21w led canbus are all using high power led chips, so they are canbus and very bright.

For example, the lumens of our present p21w led canbus will be 500lm, which is 1.5 times as bright as normal glass lamps.

I will show you our best p21w led canbus now and you can check it.