Product Advantages:

Low power consumption and long lifespan
Waterproof and dustproof HID
Simple to install
Enhance driving safety
Color temperature: 6000K White / 8000K Ice Blue
Power: 35W/pcs
Type: D1S
Working Temperature: -40℃ - +80℃

Package Included: 2PCS headlight bulbs

Only Packing 2PCS Bulbs in one box.

Not included ballast
Not included connect wire.

Only Replace HID Xenon D1S

*This Is Not Hid Kit, If You Use Halogen Bulb Want Upgrade Hid Get Aftermarket Hid Kit, This Will Not Fit.

*When upgrading the original car with HID light source, make sure the original car HID ballast works normally;

*This product can only replace HID Headlight bulbs. Direct Replacement bulb for D1S application (fully compatible as long as your current bulb is 'D1S' type.

Question 1: One side could not work?

1)please turn around the plug (swap the polarity) of the defective bulb and try again
2)please exchange the bulbs from side to side and see if the problem could solve
3)Please check your connection and fuse
4)If still could not help, please contact our customer service, we will get back to you within 24 working hours

Question 2: Both side could not work?

Please turn around the plug (swap the polarity) and try again