led switchback bulbsfor turn signal light and parking lights

Hello everyone,

Do you know how do the led switchback bulbs work?

Here is explanation of it for you: 
1. White light is on when parking/DRL is on.
2. Amber light is on when turn signal is on.
3. White light is on when parking/DRL is on again.
(There are 3 seconds delay that white change to amber)

The following are our CN360 3 types of LED switchback bulbs for your reference:

Please click here for more information: http://www.cn360led.com/news/led-switchback-bulbs-for-turn-signal-light-and-parking-lights.php