CANNON DIGI-TROLL IV/HS ELECTRIC DOWNRIGGER DIGI-TROLL™ IV HSEngineered to be years ahead of its time, so you can keep up.HEAD OF THE CLASSThe innovations of the Digi-Troll™ IV let you take complete control. Utilize the cycle function to automatically jig the weight up and down, or use bottom tracking mode to keep the weight at a certain distance from the bottom. The Digi-Troll IVs memory can even store up to five different depths, and automatically deploy or retrieve the cannonball at different speeds.CLASSIC ENGINEERING At the foundation of these technological innovations are an industry-leading ball retrieval rate, powerful telescopic boom and agile low-profile swivel base. When you couple legendary Cannon® performance with ingenious design, you get peak downrigger performance.Features:Cycle function automatically jigs the weight up and down at a set depth/time interval Memory storage remembers up to five different depths Retrieve memory lets you program retrieve rates of 110, 150 or 250 feet per minute 20-lb weight capacity Bottom tracking mode keeps weight at a set distance off the bottom (with optional transducer sold separately) and multiple downriggers can be networked to one transducer (with optional relay cables sold separately) 250-feet-per-minute retrieval rate is the fastest in the industry Positive Ion Control with adjustable voltage lets you regulate the fish-attracting electrical field around your boat New IP68 waterproof power cable connector Short-Stop safely stops weight retrieve at waterline Low-profile swivel base, dual rear rod holder and two line releases Heavy-duty telescopic boom extends from 24" to 53"Three-digit depth counter Ball storage hook prevents boat damage from swinging weights Pre-spooled with 400 feet of camouflaged 150-lb test 316-grade stainless steel cable Saltwater-resistant construction Limited lifetime warranty