Alla Lighting 2357NA Switchback LED Bulb – White Parking/Yellow Flash, 2-in-1 Color, Halogen

This is a 2357NA switchback bulb from Alla Lighting—one bulb does two colors: white for parking lights, and it flashes yellow for turn signals.

Model number 1157-3035-21WY-WHITE YELLOW.

It's a direct replacement halogen bulb, 12V, 29W.

Important note: you'll probably need a load resistor to avoid hyper flashing, so grab one if your setup requires it.

Street legal, and comes with a 1-year warranty.

UPC is 804039686668.