H4 Headlight Adapter 10-30V 25A - High/Low Beam Simultaneous On Controller
H4 Headlight Adapter 10-30V 25A - High/Low Beam Simultaneous On Controller is backordered and will ship as soon as it is back in stock.
Free shipping on orders over $99 within USA
Simultaneous Illumination
When the high beam is activated, both the high and low beams light up at the same time. This unique feature boosts headlight brightness and coverage for clearer dark driving visibility
Durable Construction
The circuit board is made of high-quality materials. It can withstand high temperatures and harsh environments. The adapter has a long service life and is resistant to corrosion and wear
Stable Operation
Built with industrial-grade 10-30V circuit board & 25A relays, it can handle the power requirements of most H4 headlight bulbs, ensuring stable and consistent performance
Easy Installation
True plug-and-play design. You can install it yourself without the need for professional help, saving you time and money
Universal Fitment
Fit for cars, trucks, motorcycles using standard H4 sockets
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