Adapter: H4 Male > H1 Female Infiniti and their simple but proven

and their simple but proven formula is still a crowd pleaser today despite numerous other options on the market

Fact is that while the rest of the industry is busy sticking their name on a generic or standing still with the same-old same-old

and a switch

it's when the vehicle flashes the input voltage to your bulbs so fast that you can't see the difference

PWM Integration: PWM stands for Pulse Width Modulation

Adapter: H4 Male > H1 Female Infiniti and their simple but provenUseful: Sometimes "this" just doesn't plug into "that" When the industry standard for aftermarket lighting calls for mostly 9006 Female inputs, these adapters will come in handy. Go Direct: If your vehicle's stock headlight circuit is strong enough to power ballasts without a relay harness, these are the perfect solution for non 9006 headlight systems since almost all HID ballasts require a 9006 female input. Standard: These are standard equipment on