This Vision X connector was specially design to accompany the VX Series LED Headlight, and is designed for lights with an H4 connector. It will allow the H4 plug to be connected to H9/H11 (low/high) factory harness. This adapter weighs 2 pounds and comes standard with an extended warranty. Features Removes Electrical Interference VX Series High and Low Beam Factory Upgrade Parts Sold Individually Item #: XMC-H42H9H11 Warranty : Limited Lifetime Specifications Adaptor Type H4 Function Hi-Low Beam Functionality Input Voltage 12V DC