Wireless Network Integration: Fully integrates with Fish Hawk Electronics and Cannon mobile app; network up to four Optimum downriggers wirelessly for complete system control Advanced Precision Controls: Stores up to 5 preset depths and remembers last catch location; Depth Cycle and Bottom Tracking features keep bait at optimal depth automatically Waterline Zero Protection: Automatically maintains weight at set distance below waterline to protect boat from dangerous swinging weights during retrieval Positive Ion Control (PIC): Neutralizes fish-repelling negative energy field created by boat electronics so fish stay closer to your line and lures Variable Speed Adjustments: Five adjustable retrieve and deploy speeds with up to 250 feet-per-minute retrieval rate for fast line recovery