Control the entertainment from a different area of your RV e.g. the head unit may be installed in the lounge area and this wired remote may be installed in the bedroom area.
It is compatible with MS-IP600, MS-AV600 and MS-RA200 and complies with IPx5 water resistant standards which makes it perfect for RVs of any sort. All mounting hardware is included, all you have to do is plug and play. It also features a high contrast screen (viewable in direct sunlight, key and LCD adjustable backlighting and a 2x14 character dot matrix display. Comes with a 3 year warranty.