Lowrance 000-12638-001 Hook-3X All Seas. Pack Sonar 83/200 XDucer Fishfinder Led-backlit 3 inch color display with detailed 320 x 240 resolution that's easy to see in full sunlight & from wide viewing angles Broadband sounder detail easily identifies fish targets, bottom contour, structure detail, bottom hardness, thermoclines & more Dual-frequency 83 or 200kHz operation helps maximize view beneath boat 83kHz sonar operation provides up to 60deg of conical coverage ideal for displaying largest fish arches & searching large areas 200kHz frequency provides up to 20deg of conical coverage for enhanced fish-target separation & lure tracking for drop-shotting technique