Raymarine i50 Tridata

System with Thru-Hull Transducer with large numerals and digits, red backlighting for improved visibility, SeaTalk and SeaTalkng interfaces and 110mm x 115mm footprint identical to older Raymarine ST60+ instrumentation, combines depth and speed data, easy to read 3-line display, dedicated depth and speed displays, Trip/log, sea temperature and SOG (Speed over Ground - includes current forecast).