Model: KP -708 7-inch LCD GPS Chart Plotter with Internal GPS Antenna Features: Easy to Operate 7-inch high resolution (800x600 pixels ) LCD Built -in GPS Antenna , External Antenna can be used as an option Supports Dual Mapping System : K-Chart and C-Map Plotter characteristic Waypoint/icons: 12000 user waypoints with name, symbol 3 system waypoints: MOB, Start, Cursor 10 proximity waypoints Routes: Max 30 routes. And up to 170 points for each one Tracks: 8000 points automatic track log: 10 saved tracks (up to 8000 track points each) Let you retrace your path in both directions Alarms: XTE, Anchor drag, arrival speed, voltage, proximity waypoint and time, AIS Tides: Tide data Projection: Mercator projection Position format: Degree of minutes and UTM Base map: Built -in ONWA K -Chart External Map: SD Cards slot for C -Map MAX and ONWA K -Chart User data storage: Internal backup of user settings or external SD -card Plot interval: 5s to 60min 0.01nm to 10nm Automatic way Plotting scales: 0.001nm to 1000nm Perspective View: Onto/Off Celestial: Sunrise/Sunset Moonrise/Moonset Power supply : 10.5 to 35V DC, current drain