Preowned yet unused! All parts are included including the paperwork..only missing the box. 3.5-inch CHIRP Fishfinder with GPS, model Striker 4. Easy to use 3.5″ color screen with built-in high sensitivity GPS. Find fish, mark and return to hot spots, docks and ramps. Convenient keypad operation and includes CHIRP 77/200 kHz) sonar transducer. CHIRP sends a continuous sweep of frequencies, ranging from low to high, then interprets them individually upon their return. Includes: Striker 4 unit, dual beam transducer, transom and trolling motor mounts, tilt/swivel mount, power cable and booklet!