Handheld unit which can be also be used in vehicle, boat or on motorcycle.  Display supplies readouts for maps and allows users to view internal mapping and plot courses.  Run time is up to eleven hours with fully charged batteries.  Unit comes with carry holster, 8 ft. adapter cable, wrist lanyard, and manufacturer booklets.  Like new condition.  Only turned on few times in back yard.  Never used in the field, etc.