The Digi-Troll 5 features keypad controls with an integrated LCD screen the fastest retrieval rate on the market (250 feet per minute) and a short-stop feature that protects the boat from swinging weight. Ability to control up to six downriggers at once from your Humminbird fishfinder with the CannonLink accessory. Includes mounting base low-profile swivel base and a telescopic stainless steel boom that extends from 24 inches to 53 inches. Digi-troll is built tougher and smarter to make you a better angler. Cannon edge design features fewer moving parts, one-piece composite construction, a redesigned boom end, protected circuit boards and easy access to the spool, switches, plugs and mounting knobs.