600% Brighter than Halogen: AUXITO 3157 switchback LED bulb is built with newest high brightness LED chips, generating 4000lm super bright output per pair, which can help others notice your vehicle faster and clearer even in the bad weather.

Canbus Error Free Design: These 3157 switchback led turn singal lights adopt newest built-in intelligent IC driver and high wattage make the LED 3157 amber/white bulb compatible with more vehicles. Work well with 98% vehicles’ systems, no radio interference, just plug and play. Few special vehicles may meet unusual canbus or installation issues, such as no white/amber light, not turn on, or switchback doesn't work, etc, load resistors may be required to solve the issue, you can contact us through Amazon Buyer Message to get help and solutions

50,000 Hours Lifespan: Whole aviation aluminum body and 12,000RPM turbo cool fan that diverts heat away from the light's critical components, our 3157 led switchback turn signal light bulbs offer 50000hr lifetime, reducing the need for frequent replacements.

No Hassle Service: Due to the complexity of automotive systems, very few vehicles may run into compatibility issues after installation. If you meet any trouble during the installation process, you can reach us for help.

Dual Functions: These switchback turn signal lights fit size: 3157 3157A 3057 3057A 3457 3457A 4057 4157 4157NA, and the amber light work for turn signal lights and white light for parking lights/daytime running lights.