LOWRANCE 000-12635-001 Hook-3x Fishfinder with XDCR 83-200kHz TransducerLED backlit 3" color display with detailed 320 x 240 resolution that's easy to see in full sunlight & from wide viewing angles Broadband Sounder(TM) detail easily identifies fish targets, bottom contour, structure detail, bottom hardness, thermoclines & more Advanced Signal Processing (ASP) reduces the need to manually adjust settings to see fish, structure & bottom detail more clearly Dual frequency 83 or 200kHz operation helps maximize view beneath