600％ Brightness Improved: AUXITO 4KP10 series 3157 Switchback led bulbs are equipped with the newest high brightness 1860 LED chipset, significantly improving the brightness to 4200LM, 600% brighter than stock bulbs. 360° full-angle illumination without dark spots and shadows. More noticeable when you're turning, keep your 2001-2013 Chevy Silverado 1500 driving safer.

Dual-Color Functionality: The bulb adds dual-color functionality and a modern appearance to your front turn signals with 10 pcs chips that light up white when your headlights are turned on, and flash amber when the turn signals are activated.

Canbus Error Free: The 3157 Switchback led bulbs built-in intelligent IC driver, compatible with 99% of vehicles' systems without error and flickering. Almost the same size design as a halogen bulb, is non-polarity, truly plug and play, providing you with a hassle-free installation experience

Switchback: It lights up in a 6000K cool white color when your headlights are turned on, and flash amber when the turn signal is activated, allowing you to upgrade your front end to an all-cool white appearance while still keeping your turn signal functionality.

50000Hr Long Lifespan: AUXITO 3157 Switchback LED turn signal lights are designed with an aviation aluminum body, high-speed turbo fan, and hollow design, which provide superior heat dissipation capacity and greatly extend the 3157 bulbs' lifespan of up to 50,000 hours. Avoid frequent replacement

Perfect beam illumination: AUXITO 3157 LED bulbs are 360° lighting output, without dark spots and shadows. More noticeable when you're turning. Make Chevy Silverado 1500 driving safer and let the family feel more at ease!