The Ice-Ducer's ease of use and reliable performance have revolutionized the way anglers use sonar for ice fishing. The unit eliminates the problem of not being able to see your bait. With the Ice-Ducer, anglers can easily jump from hole to hole to catch fish on the move. Reliable float and stopper system ensures accurate readings every time, and you can easily adjust the transducer for different ice thickness conditions. Specially designed 7' cable stays limp in cold weather. Vexilar 9° Ice-Ducer Ice Fishing Transducer