Lowest price:$95.99Description: Fluorescent black light illuminates fluorescent monofilament line. New flip-top design lets fishermen direct light in direction being fished or upwards for easy lure change. Lightweight, satin-finish aluminum unit quickly attaches to boat using three 2" rubber suction cups (rail adapter suggested). Cigarette lighter type plug, 15-watt black light operates off 12V system. A. Piggy Back 2.47 amp draw. Offers a choice of black light (blue/black bulb) and incandescent white light with variable brightness control. B. Super Double 2 amp draw. Includes 2 lights. Bottom black light lets you light the shore; blue/black bulb on top produces UV light for line-tying. Suction cup mount. C. Super Double Cordless Mounts on boat gunwale with 4 rubber feet and male jack connects to a female jack for power. Comes with 2 female jacks that you install. Includes hardware and easy-to-follow instructions.,, D. Rail Plate Adapter With Suction Cup For boats with narrow rails or no-slip surfaces.