4 metal rings can adjust the size. 4 led rings 2 with 10ft of wire and 2 with 30ft of wire.
Pretty simple and easy to do also looks sweet. The item "Led Wheel Rgb Color Changing Kit With Bluetooth Remote" is in sale since Wednesday, January 6, 2016. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Lighting & Lamps\Headlights". The seller is "dylanmidsouthleds" and is located in Oakland, Tennessee.
This item can be shipped to United States.