Echo 551dv Fishfinder w/4-Pin All-in-One 77/200 kHz HD-ID/DownVu Transducer

Echo 551dv. The garmin echo 551dv is a premier fishfinder that includes an all-in-one transducer that gives you both advanced hd-id 77/200 khz and garmin downvü scanning sonar. See the clearest possible fish arch returns and nearly photographic bottom and structure details. Bright, crisp and clear 5-inch hi-res vga color display. Smooth scaling depth range adjustments provide smooth transitions from shallow to deep water and back again. Narrow to wide viewing cone angles optimize performance in deep and shallow water. Scan to 1,900 feet maximum. Features sonar history rewind and 4,000w peak-to-peak power. Includes quick-release tilt/swivel mount, plus transom and low-profile trolling motor transducer mounts. Features: excellent target separation and bottom tracking. Garmin downvü scanning sonar for a nearly photographic view of fish and structure under boat. Includes advanced hd-id and downvü all-in-one transducer. Display: 5-inch diagonal / 256 colors (64k capable). Resolution: 640 x 480 vga. Smooth scaling depth range adjustments. Sonar history rewind. Includes quick-release tilt/swivel mount, transom mount and low-profile trolling motor transducer mounting kits. Transmit power (rms)/(peak-to-peak): 500w/4,000w. Includes water surface temperature. Frequency: 77/200khz and downvü included. Supports traditional 50/200khz transducer, without downvü; sold separately. Maximum depth: 1,900 ft. 10v - 28v input. Manufacturer: garmin. Marine navigation & equipment-fishfinder/sounder - colorfrequency = 50/77/200. Included transducer = all-in-one 77/200. Resolution (vxh) = 480 x 640. Screen size = 5". Speed/temp = none. Transducer type = none. Waterproof rating = none. Watts rms - max = 500w.