Garmin Striker 4 Worldwide Black. Mark and return to your hot spots boat ramps and docks and share your favorite waypoints and routes with other STRIKER and echoMAP combos. Smooth Scaling graphics provide uninterrupted imagery when switching between depth-range scales. Sonar history rewind allows you to scroll back through sonar images to mark waypoints you originally may have missed. Plus it has a built-in flasher and displays speed data. Includes tilt/swivel mount CHIRP (77/200 kHz) transducer with transom and trolling motor mounting hardware and cable. For high-performance CHIRP purchase a GT8 or GT15 transducer (each sold separately). Mark Spots with High-sensitivity GPS Unlike regular fishfinders STRIKER fishfinders have built-in high-sensitivity GPS to locate your current position quickly and precisely then maintain your GPS location anywhere you go on the lake. More importantly they allow you to mark spots where the fish are biting so you can return to them again in the future. You also can mark docks boat ramps and other locations on the lake. Just follow the path created on your screen to return to them whenever you wish. Take Your Fishfinder Anywhere A portable kit is available to protect and carry your STRIKER fishfinder with GPS so its perfect for kayak canoe or ice fishing. It includes a sealed rechargeable battery with charger built-in transducer cable management and storage and suction cup transducer mount and float. Specifications for Garmin Striker 4 Worldwide: Manufacturer: Garmin Color: Black Features of Garmin Striker 4 Worldwide Display size: 1.9'' x 2.9'' (4.9 x 7.3 cm); 3.5'' diag (8.7 cm) Display resolution: 480 x 320 pixels Physical dimensions: 3.6'' x 5.9'' x 1.6'' (91.6 x 150.8 x 42.8 cm) Water rating: IPX7 Weight: 8.1 oz (230g) Display type: HVGA color Sonar Features & Specifications Dual-frequency (50/200 kHz) sonar capable Dual-beam (77/200 kHz) sonar capable Frequencies supported :Traditional: 50/77/200 kHz; CHIRP (mid and high) Transmit power: 200 W (RMS) Maximum depth: 1600 ft freshwater 750 ft saltwater Bottom lock (shows return from the bottom up) Water temperature log and graph Additional Tilt/swivel mount Integrated GPS Mark Waypoints Course over Ground (COG) Current draw at 12V: 0.23A Package Contents: Garmin Striker 4 Worldwide STRIKER 4 Dual-beam transducer Transom and trolling motor mounts Tilt/swivel mount Power cable Documentation Garmin 010-01550-01: Striker 4 Worldwide Black Garmin 010-01550-01: Striker 4 Worldwide Black