Features 1??The 7-inch color LCD display, 800 x 600 pixels, gives you a good visual experience while driving. 2??50 parallel channel GPS receivers continuously track and use up to 50 satellites to calculate and update your location. 3??Compatible with C?Map NT Max, you can download the relevant area map, external GPS antenna. 4??30 route waypoints, up to 170 points per waypoint, and MOB and Track Navigation or Go Track mode. 5??12,000 user waypoints with names and symbols. 3 system waypoints: MOB, start, cursor. 6??10 adjacent waypoints. 8,000 automatic tracking logs; 10 saved tracks (up to 8000 track points per track) let you track paths in both directions. 7??Alarm XTE, anchor resistance, arrival, speed, voltage, approach waypoint and time, AIS alarm. 8??Tidal data, projected Mercator projection, position format latitude/longitude. 9??Onwa K?Chart built into the basemap. Internal backup or external memory card for storing user data. Specification Condition: Item Type: GPS Chart Plotter Color: Shown as Picture Waterproof: IP67 Drawing Interval: 1s-9h or 0.01 nm-9.99nm Plotting Range: 0.01nm-1,000nm Navigation Data Input: $ ?C DBT, $ ?C DPT, $ ?C GGA, $ ?C GLL, $ ?C GSA, $ ?C GSV, $ ?C HDG, $ ?C HDM, $ ?C HDT, $ ?C MTW, $ ?C RMB, $ ?C RMC, $ ?CVTG,$ ?C ZDA,$ ?C VWR,$ ?C VWT,$ ?C MWD,$ ?C VPW Output: $ ?CAAM,$ ?C APB,$ ?C BOD,$ ?C BWC,$ ?C GGA,$ ?C GLL, $ ?CRMB,$ ?C RMC,$ ?C VTG,$ ?C XTE,$ ?C ZDA,$ ?C DBT $ ?CDPT,$ ?C WPL,$ ?C ZDL,$ ?C ZTG Autopilot Output: $ ?CAAM, $ ?C APB, $ ?C BOD, $ ?C VTG, $ ?C DBT, $ ?C DPT On/Off Perspective Celestial Sunrise/Sunset, Moonrise/Monthly Power Supply: 5 to 35VDC, Current Consumption 1.0A at 12V Pixel: 800x600 Waterproof Display Unit: IPX6 Temperature Range Display Unit: -15??C-+ 55??C Acquisition Time Cold Start: Average 27 Seconds Warm Start: an Average of 27 Seconds Hot Start: 1 Second on Average Update Rate: 1 / Sec or 10 / Sec, Continuous Accurate Position: 2.5 Meters (95%) Without S / A Speed: 0.1 M / S (no S / A) Time: ??100ns Synchronized with GPS Time Dynamic Altitude: Up to 50,000m Speed: 1640.42ft (500 M) / S Acceleration: Up to 4g Datum Wgs 84 and Others Interface NMEA 0183 Input and Output, Rs232 Output External GPS Antenna AIS Interface Data Input: NMEA 0183, RS232 Baud Rate: 38,400 Package List 1 x GPS Chart Plotter 1 x Screen Protector 1 x Connecting Line 1 x Instruction Manual 2 x Fuse 7 x Screw 1 x Bracket 1 x Screen Rubber 4 x Double-sided Tape 1 x External GPS antenna (with 4M cable)