Garmin GPS III Plus specs

General

• Packaged Quantity 1
• Recommended Use Hiking ,
  Marine ,
  Automotive
• Preloaded Maps South America ,
  USA ,
  Canada ,
  Central America ,
  Alaska ,
  Mexico
• Receiver 12 channel
• Interface Serial ,
  NMEA 0183
• Functions & Services Electronic compass ,
  MOB (Man Overboard) ,
  Time/date
• Included Software Garmin Americas Highway Basemap
• Compatible Software MapSource WorldMap,
  MapSource Roads & Recreation,
  MapSource Trip & Waypoint Manager,
  MapSource US TOPO,
  MapSource Waterways & Lights
• Grids Lat/Lon,
  MGRS,
  Swedish,
  Swiss,
  Irish,
  UTM,
  New Zealand,
  German,
  Taiwan,
  British,
  Maidenhead,
  Loran TDs,
  UPS
• DGPS DGPS ready
• Antenna External
• Update Rate 1/second

Display

• Type LCD - Monochrome
• Resolution 100 x 160
• Display Illumination Yes

Acquisition Times

• Hot 15 sec
• Warm 45 sec

Navigation

• Waypoints 500
• Tracklog Points 1900
• Routes 20
• Waypoints per route 30

Connections

• Connector Type Serial - RS-232

Battery

• Type Alkaline - AA type
• Required Qty 4
• Run Time (Up To) 36 hour(s)

Miscellaneous

• Design Features Rugged case
• Included Accessories Wrist strap,
  PC cable
• Localization English

Dimensions & Weight

• Width 1.6 in
• Depth 2.3 in
• Height 5 in
• Weight 9 oz