55W / AMP: GTR Ultra Slim Ballast Ford The bright

The bright

LED Projector Technology: AlphaRex integrated their patented rectangular projector lenses into the Ford F-150 Pro-series headlights

and adjustable alignment ensures a perfect fit

Whatever you prefer

Because these headlights have a DRL feature

55W / AMP: GTR Ultra Slim Ballast Ford The brightThis is the 5th Generation HID ballast: designed specifically to integrate with the complex computer systems found in modern vehicles. PWM Integration: PWM stands for Pulse Width Modulation, it's when the vehicle flashes the input voltage to your bulbs so fast that you can't see the difference, but it modulates the activity of the halogen bulb. That's fine on an old style halogen incandescent, but on HID systems it might make a flashing or strobing