FANKAI WST 2.5 inch 3 inch HID bi-xenon projector lens Headlight fit DIY H7 H4 Headlamp Lens, High Low Beam Use H1 Bulb Specification: Projector lens dimensions: 3 InchLens Materials: GlaProjector material: MetalCover material: PlasticCut-off beam options: LHD/RHDLHD -- Left-hand-drive, steering wheel on the left, the car in Ruia, USA...etc.RHD -- Right-hand-drive, steering wheel on the right, the car in UK, Japan...etc.Fits for H4, H7 HeadlightProjector required bulb type: H1(Xenon) Item Description: Condition: 100% Brand New, never been used or installed.Feature: Bi-xenon projectors lens , offer both high beam and low beam function.Clear Cut-Off Line, won't blind the drivers coming from the opposite direction.Fitment: very easy to install, fits for most cars perfectly. FAQ Q: Can I Install H4 bulb to this projector lens? A: No, this projector lens can only install standard H1 xenon bulb ,can't install Halogen H1 bulb Q: My headlight is use H4 bulb or H7 bulb, is this projector lens can fit it? A: Yes, this projector lens can fit H4 and H7 headlight vehicle, it's come with H4 and H7 adapters. Q: Should I install LED bulb, Xenon HID Bulb or Halogen bulb? A: This projector lens is can install xenon HID bulb, But can't install Halogen H1 bulb H1 xenon Bulb Plsease choose h1 xenon bulbs like this bulb Packing content: 2 pcs 2.5 wst projector len