B175L Bronze Low Profile Thru Hull 20degrees Tilted Element Transducer 1kW. Features, Material: Bronze, For use with CP450C or CP470 Chirp Sonar Module, Power (RMS): 1Kw, Max Depth(ft): 2,500, Frequency (khZ): 40-60, Beam Width(L/H): 32degrees-21degrees, Records: Depth / Temperature, Approved Hull Material: Fiberglass / Wood, Cable Length (Ft/M): 33ft / 10M, Supported Deadrise / Transom Angles: 16-24degrees Deadrise, Note: Using a Single B175 or B75 requires the A80328 Single Operation Cable.