I bought this intending to install it, but it turned out I didn't need it as the system was already working, so I'm selling it. Nissan C27 Serena 9-inch MM516D-L Contents: Installation manual x1 Main unit x1 Installation tools included x1 Other Compatible Models: Compatible with Nissan and Mitsubishi genuine dealer option navigation systems from 2013 to 2023. Please check the images for detailed compatible part numbers. MM523D-L, MM323D-L, MM223D-L, MM223D-Le, MJ323D-W, MJ323D-L, etc. Notes: ■ Easy installation! Plug-and-play design. ■ Exclusively for Nissan dealer option navigation systems. *Please check the product title, description, and compatibility chart. ■ This kit allows you to watch TV and DVDs while driving and operate the navigation system, even with dealer option navigation systems that only display video and allow navigation operation while the vehicle is stationary. ■ Fully automatic type, no switches required. ■ A convenient kit that solves all your problems related to using the navigation system while driving. ■ Attaches to the end of the existing wiring. Often, it's not the type that attaches directly to the back of the navigation unit.