Hot ! led welcome light ! How to install into the car ?1  This product should be installed at the bottom of the door flame and make sure the Len vertical with the ground  2 Pull down the inside door board first. Mark the suitable location for drilling a hole. 3 Drill the hole on the door board with our borer . 4 Inset the product from the bottom of car door ,then arrange the power cord. 5 Install the nut through the power cord upon the hole inside; Tighten the nut; 6 Connect the power cord according to the installation guide; 7 Adjust the lamp projection to the suitable place with wrench tool. 8 Reinstall the inside door board,then check the final effect.Product Feature:1. The automobile logo project light is specially designed for auto modification fancier,we purpose to bring more driving fun to drivers.2. The car door courtesy lights will display on the ground when you open the car door ,and willturn off when you close the door3.This led door courtesy light ground projecting led light can project logo onto ground automatically when you open your car door which make your car looks cool than normal car4. High ability of shock resistant; Brighter light; Low temperature.5. Super white lighting provides a high level of road safety at night driving6. It can be installed in both left and right door.Courtesy door light make your car artistic moreover the atmosphere.7. Pure color with nice appearance and Shockproof,Waterproof,Dustproof8.We can design all the led car logo door light models as your request.