Best GPS Devices - Keypad User interface, Outdoor Designation, 14 to 28 Hours Battery Life

'The 42 channel GPS receiver is WAAS enabled for greater accuracy.'

'Full-featured run, bike, and swim modes - well-suited to triathletes.'

'The 310XT can use audible signals and/or vibration alerts, to ensure that you are aware of your milestones. '

'Designed for triathletes, the 310XT collects data such as speed, distance and time for bicycling and running, and it is waterproof up to 50 meters for swimming as well.'

'You can purchase the Forerunner 310XT with or without a new (more comfortable than previous models) waterproof, soft-strap heart rate monitor.'

'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'

'This unit is lightweight, weighing in at 5.3 oz.'

'newly added high sensitivity GPS receiver results'

'It is light weight at just 5.3 ounces so it will fit in your pocket nicely.'

'The eTrex Legend is also equipped with additional memory totaling eight megabytes.'