Bi-xenon HID bulb with base H4 with AMP connectors to ballast.
Electromechanic shifting of low/high beam.
In normal case you'll need to use a relay wire for function, except the ballast.
Technical Specification
Watts: 55W
Base: H4
Color Temperature: Option
Supply Voltage: Ballast with 12V or 24V
Burn time: approx 3000 hrs
Warranty: 12 months