Digi-Troll 5 makes it even easier to get your lure where the fish are, from thermoclines to submerged structures. With full keypad controls and innovations like CannonLink and Positive Ion Control, Digi-Troll 5 is fortified with Cannon Edge Design to put you in command of an advanced fishing system. FAST RETRIEVAL RATE: Digi-Troll 5 retrieves weight at an industry-leading 250 feet per minute, so you can get your lines out quicker and concentrate on fishing. FULL KEYPAD CONTROL: From and integrated LCD screen, you can lower and raise the weight, control depth, and program the amount of line you"re using at the push of a button. CANNONLINK COMPATIBLE: Control up to six downriggers at once from your Humminbird 700, 800, 900 or 1100 series fishfinder. The CannonLink accessory lets you cycle your Digi-Troll 5 up and down, bottom track, raise and lower the weight, or adjust Positive Ion Control. CANNON EDGE: Digi-Troll 5 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 nuts. POSITIVE ION CONTROL: Digi-Troll 5"s Positive Ion control emits positive ions from the cable to combat the negative ions from your boat, creating a fish-attracting field of energy.