Feature 1Operating Process: High sensitivity GPS receiver navigator is with various navigation screens marking your favorite locations for easy navigation back to them. 2SOG COG Meter Function: This handheld GPS navigator adopts multi display plotter, road, steering, SOG meter, COG meter and user data screens. 3Visual and Audio Alerts: GPS navigator also features visual and audio alerts for arrival, anchor, cross track error, SBAS, etc. 4Parallel 12 Channel: Handheld GPS navigator adopts 2.8in daylight readable color screen for easy viewing, and parallel 12 channel, can receive differential signals. 52998 Namable Waypoints: Handheld GPS navigator has 2998 namable and intelligently found waypoints 50 routes (50 waypoints for the first route) can automatically record track and save 9 other routes.SpecificationItem Type: GPS Handheld NavigatorMaterial: ABSScreen Type: FSTN DisplayResolution: 160x120Interface: For NMEA0183, For RTCM104, Standard Statement for RS232 Standard InterfacePositioning Accuracy: <15m (95%)Built In Battery: Lithium Battery 1800mah .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Navigator1 x Charging Cable1 x Instruction Manual