Best GPS Devices - Compass Special Features, Marine Designation, 12 Channels Receiver type

'Pop in a microSD card and some batteries and you're ready to go.'

'rugged, metal-plated, waterproof case'

'handheld device'

'high quality display'

'removable memory'

'removable memory allows for almost unlimited storage of routes and other data'

'removable memory'

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

'decent size 2.7 inch'