HydroWave 2 Walleye Edition. This upgraded model offers a range of sound patterns and flexible settings to attract fish effectively. Specifications for T-H Marine HydroWave HW-PKG-H2WALL 2 Walleye Edition: Manufacturer: T-H Marine Size: One Size Quantity: 1 Features of T-H Marine HydroWave HW-PKG-H2WALL 2 Walleye Edition 9 sound patterns and high-quality 16-bit audio for realistic feeding stimulation. 5 delay options allowing you to customize activation timing. Easy access expansion port for adding more sound options or functionality. Package Contents: T-H Marine HydroWave HW-PKG-H2WALL 2 Walleye Edition HydroWave HW-PKG-H2WALL: 2 Walleye Edition