This Cross Touch digital sonar and GPS is Humminbird's ONIX 10ci HD SI Combo fishfinder. With Humminbirds exclusive CrossTouch interface, new digital sonar and best in class 10Hz GPS the ONIX 10 is a powerful tool for the serious fisherman. When waters get rough, Humminbird's exclusive Cross Touch functionality mirrors every command between the touchscreen and the keypad. Digital sonar provides clean returns and offers ultra-fast processing to distinguish between the smallest targets and bottom features. An Internal Precision GPS allows ample recording of hot spots with up to 3,000 waypoints and 200 routes. Waterproof connectors are threaded from 316 stainless steel and tighten to lock out moisture and salt spray. Take advantage of networking of supporting technologies. A Dual Serial NMEA 0183 port may be used for a variety of accessory options. ONIX also features a built-in NMEA 2000 capability. Use Ethernet networking to gain access to the internet for up-to-the minute water and tide conditions. Humminbirds exclusive TriFuel operation allows the use of up to (3) optional cartographies at one time includes Humminbird LakeMaster AutoChart, C-Map by Jeppeson and Navionics Platinum.