Cannon Optimum 10 BT Electric Downrigger 2-Pack w/Black Covers. Precisely troll any lure while presenting depth and trolling data on a full-color 3.5" LCD display. Optimum wirelessly networks up to four downriggers which can be controlled simultaneously through the Cannon mobile app or a compatible Humminbird fish finder. Compatibility with Fish Hawk X4D Electronics allows you to monitor the depth temperature and speed at your weight. Specifications for Cannon Optimum 10 BT Electric Downrigger: Manufacturer: Cannon Size: One Size Features of Cannon Optimum 10 BT Electric Downrigger Wireless Integration - Fully integrates with Fish Hawk Electronics the Cannon mobile app and up to four Optimum downriggers wirelessly. The wireless network allows for features like Auto Up all with one push of a button to instantly retrieve all your weights at once or one at a time. Full-Color LCD Screen - 3.5" LCD screen with customizable views sonar data user preferences and day and night mode settings. Precision Controls - Stores up to 5 Preset Depths and remembers the depth of last catch. Cycle the weight up and down at preset intervals with Depth Cycle or use Bottom Tracking to automatically keep your bait at preset distance from the bottom. One-Boat Network - Complete wireless Integration with select Humminbird fish finders for full control and critical trolling data. Waterline Zero - Protect your boat from swinging weights. Your downrigger will automatically keep your weight at a set distance below the waterline. Positive Ion Control (PIC) - Your boats electronics create a fish-repelling negative energy field in the water. Positive Ion Control neutralizes the negative energy field so fish will stick closer to your line. Package Contents: Cannon Optimum 10 BT Electric Downrigger Cannon 1902335X2/COVERS: Optimum 10 BT Electric Downrigger 2-Pack w/Black Covers