The Lowrance® HOOK-4 Ice Machine fishfinder/chartplotter offers proven features at a great value without compromising the quality anglers have come to expect from Lowrance. The HOOK-4 Ice Machine comes with a portable ice-fishing pack and transducer, trusted Lowrance sonar and navigation features, and an easy-to-use interface. The Ice Machine uses CHIRP Sonar to give you a clear and complete view of the underwater environment beneath the ice. It features enhanced sonar sensitivity, excellent target separation and superior noise rejection, making it easier to see baitfish and gamefish targets. With a built-in GPS antenna and proven navigation features, finding the right fishing spot is easy with the HOOK-4, whether you use the base map, optional upgraded charts, or your own Insight Genesis® custom maps.