MULTI-INFORMATION DISPLAY (AS DEPTH INDICATOR)4.5-inch high brightness displayDual color LED backlightPower distribution up to 3 displaysData and dimmer share up to 10 displays3 in/outputs (NMEA0183) Newer Post DOPPLER CURRENT METER MODEL JLN-652 Older Post IMO ECHO SOUNDER WITH BUILT-IN PRINTER MODEL JFE-680