It offers simple menus, easy access to key functions and Autotuning sonar. Powered by proven Lowrance performance, HOOK2 4x features wide-angle, Broadband sonar coverage. Just plug it in and fish. Yes, it's that easy. 4-inch Solar Max Screen. Get crisp and clear views of fish and fish-holding structure with the excellent clarity and daylight visibility of a high-resolution Solar - MAX display. Automated sonar settings. You will spend more time fishing and less time dialing in your sonar with HOOK2 Autotuning sonar. Box Dimensions 4" H x 9" W x 11" L.