Raymarine a78 Multifunction Display with Lighthouse Navigational Charts. Does not Include CPT-100DVS, 7" Swipe, touch and navigate- very simple. Powered by Raymarine intuitive lighthouse user interface Designed for the way boaters think, Raymarine exclusivelighthouse user interface), offers an incredibly easy-to-use navigation experience Built in CHIRP down vision sonar, which give SS a photo like view of the world beneath your boat, allowing you to image bottom structure with amazing detail and target fish simultaneously