GPS 72 Rugged, waterproof, unsinkable, WAAS GPS receiver Features:

500 waypoints with name and graphic symbol.

50 reversible routes with up to 50 points each.

Automatic track log, saved tracks let you retrace pathin both directions.

Trip Computer for average speed, resettable max. speed, trip timer and trip distance.

Alarms: anchor drag, approach and arrival, off-course, proximity waypoint, shallow water and deep water.

Built-in celestial tables.

More than 100 plus user datums.

WAAS-enabled receiver, 12-channel GPS receiver continuously tracks and uses up to 12 satellites.

Includes user's manual, quick reference guide, and wrist strap.