587ci HD DI Fishfinder/GPS Combo

587ci HD DI Fishfinder/GTake the water by force with two of the world's most powerful sonar technologies - Humminbird's Down Imaging with SwitchFire sonar. The 587ci HD DI Fishfinder/Chartplotter Combo features a clear 4.5" 640V x 480H 256-color display. Humminbird's exclusive SwitchFire sonar provides you with two incredibly powerful sonar technologies, Down Imaging sonar (455kHz/75, 800kHz/45) and DualBeam PLUS sonar (200kHz/25, 455kHz/16). Includes 50-channel internal GPS with built-in UniMap cartography. SD card slot allows you to add optional mapping systems and save more waypoints. Tilt and Swivel Quick Disconnect mounting system. 300 watts RMS/2400 watts PTP power output. Max depth: 600'/250'(DI).