Best GPS Devices - Geocaching, 100 x 64 Resolutions

'The 401 is also compatible with Garmin heart-rate monitors and cadence sensors.'

'Featuring a built-in barometric altimeter for visualized information on elevation and air pressure levels, this model comprises a rugged waterproof design for reliability in all outdoor conditions.'

'the 401 is compatible with Garmin heart-rate monitors and cadence sensors.'

'This unit is very lightweight, weighing in at 1.9 oz.'

'This unit is very lightweight, weighing in at 1.9 oz.'

'This unit is very lightweight, weighing in at 2.8 oz.'

'This unit is very lightweight, weighing in at 2.8 oz.'