PWM Module: GTR Ultra 2.0 (Pair / H11) GMC HXB Wide Beam: Illuminates the

HXB Wide Beam: Illuminates the ground directly in front of the vehicle

ECE and Military standards: DOT versions are for use in the U

but can easily be used with D2S bulbs with some AMP>D2S Adapters

and constant use

PWM Module: GTR Ultra 2.0 (Pair / H11) GMC HXB Wide Beam: Illuminates thePulse Width Modulation: Is frequently found in the electrical systems that run the headlight circuit in many modern vehicles, and when it comes to HID or LED upgrades, that's a problem since it results in constant flickering on the new setup Do you need these? Not sure whether or not you'll need these when doing an upgrade on your vehicle? Check out the rule of thumb guide in the tech specs below for some information to help you make the best