Garmin 010-01550-00 Striker 4

The all-new, rugged STRIKER fish finder series with high-sensitivity GPS is designed to allow you to mark your favorite fishing spot and easily navigate back to it tomorrow, saving you time and money. All of the STRIKER series fish finders offer CHIRP traditional sonar, which shows crisp fish arches with excellent target separation. STRIKER dv series adds CHIRP DownVü scanning sonar to provide clear images of structure below the boat. STRIKER 7sv adds CHIRP DownVü and CHIRP SideVü scanning sonars to find structure to each side of the boat. Use the split screen view to show the waypoint map and various sonar options or create customized sonar views simultaneously. STRIKER series devices are available in 3.5-, 5- and 7-inch display sizes.

from Consumer Electronics Store http://cestore.net/car-vehicle-electronics/marine-electronics/fishfinders/Garmin-010-01550-00-Striker-4.html?pid=B017NI17HQ