"CHARTPLOTTER IS USED IN MARINE APPLICATIONS AND CAN SHOW FEATURES SUCH AS SPEED, WATER TEMPERATURE, COMPASS, THERMOCLINES, AND MAPS. ALSO HAS SONAR FEATURES WHICH PROVIDE A 40 DEGREE CONE ANGLE UNDER THE VESSEL; SCREEN CAN HAVE SPLIT MERGED FIELDS, AND 50 REVERSIBLE ROUTES; CHARTPLOTTER IS ACCURATE TO 15 METERS; OPERATES ON POWER SOURCE 10-32 VDC AND OUTPUT POWER IS 24 WATTS; WEIGHT IS 3 POUNDS;"