These are PAIR of H4AD-2 (1-light) adapters designed to plug into your stock H4 plug. It then provides two sets of H4 Female connectors and a Hi/Low Projector connectors, essentially tapping into your H4 signal to provide high and low beam control for the projectors. This allows for all four headlights to have High and Low beam control when used with four Dapper Lighting Bi-LED (Hi/Low) headlights.

• These are designed to work with Dapper Lighting Hi/Low (Bi-LED) headlights that use H4 connector Optics. Please confirm fitment before ordering.
• These are for dual headlight control (two headlights on each side). If you are looking for a single Bi-LED control, please use the H4AD-1 (1-light) Adapters.