Mount to any flat surface. Computer mount Bolt in kit includes computer dock, with White, red ticket flex light. Mount accommodates most sizes of smaller laptops including most Sony Toughbooks.  Computer Dock is adjustable including swivel tilt , left right. Sold as shown. Note..........if you need anything special for the P71 Crown Victoria interceptors send us a PM in ask seller a question .We have equipment for Crown Victoria's including canine cages ,window bars, lights ,controllers ,seats vintage parts and the list goes on. We pride ourselves on customer service and quality products. Thanks again for your interest