Compatible: It makes it simple to connect your RCA camera/monitor to 4 Pin monitor/camera. | Durable: Made of durable material. It has a good fit, would not break or crack easily during use. | Fitting: Good performance, good for outdoor use, bumpless transfer, durability Insertion and withdrawal, more practical. | Convenient: Compatible to DVR series and back up camera systems, works with most equipment and devices that use 4-Pin connection. | Natural: Package Includes: 2 x RCA Backup Camera Adapter.