Garmin Striker 4 + Transducer Fish Finder with GPS SPECS: • 3.5-inch CHIRP Fishfinder with GPS • Easy-to-use 3.5-inch color fishfinder with built-in, high-sensitivity GPS • Find fish; mark and return to hot spots, docks and ramps • Convenient keypad operation • Includes CHIRP (77/200 kHz) sonar transducer; transmit power (200 W RMS)/(1,600 W peak-to-peak) • Upgrade to high performance CHIRP with a GT8 or GT15 transducer (each sold separately) Physical & Performance: Physical dimensions 3.6'' x 5.9'' x 1.6'' (91.6 x 150.8 x 42.8 cm) Display size, WxH 1.9'' x 2.9'' (4.9 x 7.3 cm); 3.5'' diag, (8.7 cm) Display resolution, WxH 480 x 320 pixels Display type HVGA color Weight 8.1 oz (230g) Water rating IPX7 Audible alarms : YES 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 1,600 ft freshwater*, 750 ft saltwater* Bottom lock (shows return from the bottom up) : YES Water temperature log and graph : YES Fishfinder Features: Split-screen zoom : YES Ultrascroll® (displays fish targets at higher boat speeds) : YES Fish Symbol ID (helps identify fish targets) : YES AutoGain Technology (minimizes clutter, maximizes targets) : YES Adjustable depth line (measures depth of underwater objects) : YES A-scope (real time display of fish passing through transducer beam) : YES Water temperature sensor included : YES Additional: • Titl/swivel mount • Integrated GPS • Mark Waypoints • Course over Ground (COG) In the box: • STRIKER 4 • Dual-beam transducer • Transom and trolling motor mounts • Tilt/swivel mount • Power cable • Documentation