All-in-One LED Headlight Bulbs. Easy to install, only takes no more than 20 minutes and it can start to work. EFFICIENT HEAT DISSIPATION SYSTE - Aluminum alloy heat sink design with built-in small fan, hole type design accelerated heat dissipation. All in One Plug & play design, plug directly into your original sockets. So easy to install. It fits most of cars. LED Lights can be installed hardly within 15 to 20 minutes as these lights only require replacement with the existing lights. No relay, No Capacitors. No Extra Wiring. Plug and Play. Special Powerful Two Ball Fan With 12,000Rpm Which Accelerate The Cooling Rate.