H1 Halogen Automotive Light Bulb
Description
An H1 bulb is a single-filament automotive halogen light bulb most commonly used for high beams, low beams, or fog lights.
Key Features
- Design: It features a single metal pin connector at the base and uses the metal body for grounding.
- Base Type: It uses a P14.5s round pre-focus base measuring 14.5 mm wide.
- Power: Standard factory versions run on 12 volts and 55 watts, producing around 1,550 lumens.




