Dingju Company can provide all kinds of Car light except Headlamp, for the headlamp the market still used HID . Now the problem of LED Light replacement is brightness.
Now for our Fog Light serise including : H1, H3, H4,H7,H8,H11, 9005,9006 those types.
But some of clients really don’t know who to distinguish those type, let’s introduce one by one.
 

1: Take H1 and H3 for comparison
A:  Except the socket different, It’s easy to distinguish H1 from H3 that H3 has one cable.

B:  For their size is T13  (13mm )

 H1-9SMD ( 5050-3chips )     H3-13SMD ( 5050-3chips )

2: Take H4 and H7 for comparison
A:  Size is the same ( T25: 25mm )
B:  You can see the Socket ,from the appearance , you can easy to see that H4 has 3 metel contaction,But H7 only two contaction.
 

  H4-13SMD (5050-3chips )     H7-13SMD (5050-3chips )

3: Take H8 and H11 for comparison
A: Size is the same ( T25: 25mm )
B: Both from the market and our Engineer feedback, H8 and H11 are the same , only the Xenon’s socket adapter is difference .When use LED to replace , H8 and H11 can instead of each other.
 

H8-13SMD (5050-3chips )     H11-13SMD (5050-3chips )

4: Take 9005 amd 9006 for comparison

A: Size is the same ( T25: 25mm )

B: The size of 9005 is 1mm smaller then 9006, so it’s not very easy to distinguish , but you can put the socekt toward Yourself , then you will find 9005 only have one backslide plate bc, 9006 with two backslide plate bc.

9005-9SMD (5050-3chips )    9006-13SMD (5050-3chips )

This really is a very simple ways for you to distinguish those Fog light easily and fastly . I do hope it can do good for you. And for more spefication, here is the link :  http://www.dingjuled.com/product/product-0001,0039,0040.shtml
for Fog light, and you also can register in our company website and then you can loaddown our Specification for the details Technical Parameter.