LED bulb. We have searched the web for a good quality LED REPLACEMENT BULB at the right price. This 40w LED chip is long lasting and durable for the off road trails. It come with a build in fan for the right fitment. Plug and play. Clean white light will illuminate at 5500K for a clear picture of the road with out blinding oncoming traffic. Designed to replace all jeeps with an H11 bulb socket.