Use it on your boat, your buddy"s boat, a dock, or even a float tube . Fishin" Buddy Fish finders give everyone the ultimate in portability, with an ergonomic clamp mount design you can use nearly anywhere, with absolutely no rigging or wiring, or even a transducer to mount. You"ll love the high resolution color display and powerful SideFinding sonar that you can point in any direction to find more fish. The 24"-40" extendable transducer tube housing reaches the water from most small or mid-size fishing boats.