Key Features:
Enhanced brightness reliable performance with constant current circuitry. 
Available models: 31 / 36 / 39 / 42mm.
Built-in CANBUS error canceller design.
2pc festoon bulbs per package.
Powerful, reliable and compact. These festoon bulbs are package with XKGLOW's proven technology with high brightness LEDs and constant current design to ensure its longevity while doubling your original brightness or more. In addition, an advanced CANBUS error canceller design was added so the bulbs are be properly treated by the vehicle on-board computer.