🆕T20 7443 LED Front Turn Signal & DRL Light Bulbs 50W 4000LM CAN-Bus Error Free Dual Color Switchback White & Amber B21-PRO Series | 2 Bulbs Volkswagen Headlight Assembly Lighting Functions: Stylish 3D LED

Lighting Functions: Stylish 3D LED Bar + LED High/Low Dual Beam Lens + Sequential Amber Turn Signal + LED DRL + Amber Reflector

With an operating voltage of 9-24V

How can I find the right "led" bulbs for my vehicle

2003-2006 Mercedes-Benz SL500

Wide Application

🆕T20 7443 LED Front Turn Signal & DRL Light Bulbs 50W 4000LM CAN-Bus Error Free Dual Color Switchback White & Amber B21-PRO Series | 2 Bulbs Volkswagen Headlight Assembly Lighting Functions: Stylish 3D LEDAPPLICATION The switchback dual function only works when your original bulbs have both parking DRL and turn signal lights in one bulb. Dual color switchback function: Light up white for parking lights or daytime running lights (DRL lights); Light up amber for turn signal lights. The turn signal flashes "amber off amber off, " instead of "amber white amber white", which makes it easier to see. Plug and play, easy installation. This LED bulb only fits