Features: latest advancement in solid-state LED Lighting Technology. feature Chip-On-Board (COB) design where hundreds of semiconductors make direct contact to the circuit board, essentially turning the entire circuit board in the luminaire. optimal thermal management, high packing density (no spaces), and overall high performance light output. brighter than previous LED Halo rings very consistent light output and appears as one solid ring compared to than individual LEDs Lifespan of 100,000 hours One year warranty Installation: requires you to heat and open the headlight lamps in order to install this product. You can either use an oven or heat gun to open headlight lamp. requires a silicone adhesive type application, therefore there is no return or exchange once it is installed We highly recommend professional installation for this product Included in this kit: Installation Instruction and diagram. One C.O.B Plasma Halo ring of the color of your choice One transformer box (The inverter box also called ballast for each COB halos is 12V DC). Hardware necessary for installation. Headlamp is not included Specifications Thickness: only 2mm Material: COB (Chip-On-Board) Lifetime Expectancy: 90,000 Hours Light: Intense Output: Smooth, Balanced, and Bright Visit My Store Save time money with FREE Auctiva Image Hosting. Auctiva, The complete Selling Solution.