🆕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 Installation Instruction is NOT Included

Installation Instruction is NOT Included

Working Temperature:-40~85 degrees Celsius

With an operating voltage of 9-24V

2 X Light Cover（Black）

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

🆕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 Installation Instruction is NOT IncludedAPPLICATION 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