Best GPS Devices - Marine Cartography, Serial RS-232 PC Interface, 14 to 28 Hours Battery Life

'features a built-in compass and altimeter'

'The device's weight (5.3 ounces, including the batteries) balances nicely with the feel of the rubberized contouring on the sides and side controls.'

'variable-use global positioning device'

'such a huge screen'

'Thanks to its bright yellow case, eTrex H is easy to find in your boat or backpack.'

'Compared to other multi purpose GPS receivers on the market, it is midpriced at around $325..'

'decent size 2.7 inch'