Garmin 010-01607-01, 276Cx all-terrain navigator

Dimension- 191.5 x 94.5 x 44.0 mm
Weight- 450 g with included rechargeable pack; 415 g with AA batteries (not included)
Water rating- IPX7
Display Type- Bright, sunlight readable WVGA display
Display Size- 127.0 mm (5.0") diagonal
Display Resolution- 800 x 480 pixels
Battery type- Rechargeable lithium-ion (included) or 3 AA batteries (not included); NiMH or Lithium recommended
Battery life- Up to 16 hours (lithium-ion); up to 8 hours (AA batteries)
Memory/history- 8 GB (3.2 GB available to use)
Interface- high speed mini USB and NMEA 0183 compatible