The patented Mr. Crappie H2 HydroWave is built to help you get the attention of the fish you're trying to catch. "Hey crappie anglers! The all New Mr. Crappie HydroWave has all natural Live Action sounds of Crappie Feeding and Bait Fish! I have recorded all of these natural, live-action sounds to make crappie and bait fish Come Alive!” — Wally Marshall Mr. Crappie Sounds: - Brushpile Majic - Spider Rigging - Frenzy Tight Line - Finesse Bait Balls - Busting Shad Finesse - Power Trolling Frenzy - Vertical Structure PACKAGE CONTENT - HydroWave Mr.Crappie H2 Unit - Waterproof Speaker with 14ft Cord - Speaker Mounting Hardware - Unit Mounting Bracket and Knobs - User Guide and Warranty Card