The welcome light car door light logo projector is a Plug and Play car door logo projector (it takes about 1 or 2 minutes to install each door light, and you don't need to be a professional to install the car brand door light). Ghost shadow welcome Led Car Logo Lights fits in your cars doors. No drilling, no wire cutting required to install the projector lights in your car. Please make sure your car has original door lights before you buy these car door LED logo lighting projectors for replacement. This car LED welcome light is door projection light or you call it ghost shadow lights, it is used to replace the original car door lights in your car. Car laser projector courtesy door light LED projector lamp produces a very visible and clear projection on the floor in the dark and does not make any noise when working. This car logo projector is upgraded version and more durable. The car door projection lights are designed with Cree LED chip with high light output but low consumption, with HD projector, it provides a bright and clear logo shadow image on the floor. OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.