The eTrex takes the best features of a 12-channel GPS receiver and puts them into a 6oz pkg that is only 4" x 2" x 1"…very compact! This sleek design offers easy, one-hand operation with buttons located on each side so you won't obstruct your view of the display. The eTrex is waterproof so it can take an accidental splash or dunk in water and still continue to perform. Available in yellow or camo. * BATTERY LIFE: 22 hrs on 2 AA * ROUTES/WAYPOINTS/ICONS: 1/500/yes * WATERPROOF: IPX7 (Submersible 1 meter @ 30 min) * DISPLAY: 1.1" X 2.1" (64 x 128 pixels) * TRACBACK: yes/10 saved tracks