5 DIAGONAL VGA DISPLAY; 480 X 640 PIXELSOVER 800 NITS OF BRIGHTNESS; NMEA 2000 CERTIFIED FOR SEAMLESS INTEGRATION WITH THE GARMIN MARINE LINEUP; PRELOADED WORLDWIDE MARINE BASEMAP; COMPATIBLE WITH GXM 51 FOR XM SATELLITE RADIO AND XM WX SATELLITE WEATHER; BUILT-IN HIGH-SENSITIVITY GPS RECEIVER; FEATURES DUAL-FREQUENCY TRANSDUCER; POWER OUTPUT: 1000W (RMS) 8000W (PEAK TO PEAK), 1KW XDCR; 500W (RMS) 4000W (PEAK TO PEAK), DUAL FREQUENCY XDCR; OPTIONAL BLUECHART G2 VISION CARDS PROVIDE ENHANCED NAVIGATION FEATURES LIKE AUTO GUIDANCE, SATELLITE IMAGERY, 3-D MARINERS EYE VIEW & 3-D FISH EYE VIEW; SECURE DIGITAL CARD SLOT; DIM: 5.9 H X 6.4 W X 2.9 DLength: 11.60Width: 8.40Height: 5.40