Lowrances Elite-7 Ti Medium/High Sonar/GPS Combo boasts an easy-to-see 7 high-resolution 800x480 touch-screen LED-backlit color display that makes navigating your favorite fishing waters a breeze. Top-of-the-line sonar technologies like CHIRP sonar, StructureScan (only available with the TotalScan model) and DownScan Imaging deliver exceptional views of the environment beneath your boat. Bluetooth and wireless compatibility allow you to download software updates and custom maps directly to the unit even when youre already on the water. TrackBack lets you scroll through your history and mark locations with a waypoint. Accurate built-in 10Hz GPS antenna and a detailed U.S. map keep you on point, plus optional upgrades include Lake Insight, Nautic Insight PRO and HD, Navionics HotMaps Premium, Fishing Hotspots PRO, Navionics+ and Jeppesen C-MAP MAX-N. Micro-SD slot offers ample storage. Quick-release bracket makes mounting simple. NMEA 2000 networking compatibility. Depth alarm and temperature reading. Models: TotalScan, Nav+. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Sonars.