Feature: Extraordinary quality, lowerpower consumption, Eco-friendly. Aluminum Body, with better heat dissipation, higher Refractive concentrator. High Power 3030SMD+4014SMD: Ultra bright & energy saving, Enhances luminous efficiency. Built-in load Resistor & IC Driver: Canbus error free, plug-n-play, Wide voltage & constant current. Buil-in intelligent IC can adjust the temperature according to the environment automatically. Hollow inner body design ensures fast heat dissipation. Aviation aluminum material for longer lifespan. The size is almost the same as halogen, convenient to install. No polarity design, plug&play, easyinstallation. .