Garmin - GPS 65s

DIMENSION: 2.4" x 6.3" x 1.4" (6.1 x 16.0 x 3.6 cm)
DISPLAY SIZE: 1.43" x 2.15" (3.6 x 5.5 cm); 2.6" diag (6.6 cm)
DISPLAY RESOLUTION: 160 x 240 pixels
DISPLAY TYPE: transflective, 65K color TFT
WEIGHT: 7.7 oz (217 g) with batteries
WATERPROOF: IPX7
BATTERY TYPE: 2 AA batteries (not included); NiMH or Lithium recommended
BATTERY LIFE: 16 hours
INTERFACE: high speed mini USB and NMEA 0183 compatible
MEMORY/HISTORY: 16 GB (user space varies based on included mapping)