Raymarine a68 5.7" MFD Touchscreen w/CHIRP DownVision & CPT-100 - North American Gold Bundle Swipe, touch and navigate - the a68 is powered by Raymarine's intuitive LightHouse User Interface Super-fast, dual core processor plus a dedicated graphics processor Dual Channel sonar with both CHIRP DownVision and CHIRP Fish Targeting sonar imagery to depths of 600 feet Super-bright 5.7", optically bonded touchscreen with LED backlighting