Easy to install, paste and how to play Simply paste the projector under the inner door panel for about 5 minutes, and then paste the magnet on the window sill. Then it's done. No drilling, no wiring, no disassembly, and no damage to the vehicle. Function and decorative lights When the door is opened, the crisp and bright signs are illuminated to the ground, which is very cool. Please pay attention to the puddles. It provides lights to help vehicles enter and exit safely, and at the same time reminds passing vehicles to open the door. A gorgeous mobile phone can better protect your family and friends. Magnetic induction works automatically When you open the door (the lamp is far away from the magnet), the light projector will automatically turn on, and when the door is closed, it will automatically turn off (the lamp overlaps the magnet). How convenient. General accessories Marking lights can be installed on the left and right doors. As long as the lower edge of the inner door panel is straight, as long as this car door marker light projector is compatible with most car Suvs, as long as the lower edge of the inner door panel is straight. We strongly recommend that you buy 2 sets of 4 doors like most customers. Cool gifts for yourself, friends and family Cool accessories for cars, off-road vehicles, and trucks. The perfect gift will impress your husband, wife, friends, father, son, and colleagues. It can be used as a Christmas, birthday, New Year gift, Valentine's Day gift, etc. Enjoy it!