Dear Customer, Thank you for choosing Camecho 4-Pin wired backup camera system. It’s very easy and interesting to install, kindly follow the diagram and instructions. Check all the package content: 1 x 7" Car Monitor 1 x Backup Camera 1 x Aviation Connector Cable 10M 1 x Remote Controller 1 x Mount Bracket 1 x Two-sided Adhesive Tap Installation: 1.The monitor connector has 8 small pins, please align the interfaces according to the arrow.