Marine tool is ideal for fishermen Using an ultra wide, 25 degree sonar beam angle, delivers accurate depth, fish and bottom structure readings from 1.5 to 99.9 feet Operationable down to zero degrees Fahrenheit; includes a trollable, mountable, and floatable sonar sensor with 35 feet of cable and cable tie-strap Exceptionally easy to use; simply turn the power on, toss the sonar sensor from the shoreline, bridge, or boat Fits in the palm of your hand Ideal for fishing expeditions and family vacations, the Norcross Hawkeye F33P offers the latest in portable fish finder technology and is guaranteed to help you come up with better fish stories than ever before. Using an ultra wide, 45 degree sonar beam angle, this system delivers accurate depth, fish and bottom structure readings from 1.5 to 99.9 feet. Operationable down to zero degrees Fahrenheit, this unit includes a trollable, mountable, and floatable sonar sensor with 35 feet of cable and cable tie-strap. The F33P is exceptionally easy to use; simply turn the power on, toss the sonar sensor from the shoreline, bridge, or boat, and in no time flat you'll receive instant depth, fish, weed, and contour readings. With its "SideScan" adapter, the F33P can also attach to a broomstick handle to scan under weeds, lily pads, ice, or docks. For added convenience, this system comes with mounting tabs for hull mounting of your portable fish finder to canoes, kayaks, and jon boats. The F33P delivers reliable readings by using algorithmic programming. This reduces the number of false readings, while the unit's fish identifier, depth scale, and two-stage audible fish alarm ensure that you'll always know exactly what kind of fish you're closing in on. Designed to hold up under all kinds of conditions, the antenna is powered by four "AAA" batteries for 20 hours of continuous use, the backlit display prevents eye strain, and a special LCD protector eliminates condensation in the display. This portable fish finder features a palm-sized design that fits into your tackle box, gear bag, or pocket, making this an extremely versatile unit you'll rely on again and again.