LEDambient PULSE CONNECT is a small disk with a chrome finish that connects directly to any 12 volt source and blends in with your headlight assembly making it barely visible. Using Bluetooth technology, once paired the free OSRAM LEDambient CONNECT app allows you to control color, mode and pulse to the beat of your music. LEDambient PULSE CONNECT lights are very simple to install and run. Designed for exterior use, but can be used in the interior as well to illuminate your car. OSRAM provides a 2 year guarantee for this product. These products are not ECE-approved and must not be used on public roads in any exterior application. Use on public roads will invalidate both the operating license and insurance coverage. Some countries prohibit the sale and use of these products. Please contact your local distributor for information on your country.