Full-color navigation that's amazingly easy! SD-card compatibility enables you to add unlimited optional maps - tracks - waypoints - routes - geocaches and other user generated content. Rugged and waterproof (IPX-7) to withstand accidental impact and submersion - it's ready for any adventure.

Amazing ease-of-use - Reinventing handheld GPS™ - simple menus - instant access buttons - and crystal clear graphics let you navigate without the need for a Ph.D.

Detailed uploadable maps - maximize the Triton 400’s navigation capabilities

Full-color 2.2" display - The large display shows maps - simple menus - navigation screens and other data in brilliant color

SD-card compatibility - An invaluable feature enables you to use an unlimited amount of map data for topographic and marine navigation. Store tracks - routes - geocaches and more

Add detailed maps - Upload optional marine cartography - topographic maps - and more - including the highly-detailed and feature-packed National Geographic Maps to the available memory or SD card

Built-in maps - Basemap of the 48 contiguous United States - Alaska - and Canada (major highways - city centers - parks - lakes and more) plus worldwide geographic boundaries

Points of interest - Preprogrammed points of interest include parks - city centers - airports - historical monuments and more

Compass screen - See your direction of travel - distance and position of destination - heading - bearing - speed and more on the beautiful graphic compass

3-meter accuracy - SiRFstar III chipset and integrated multidirectional antennae offer superior GPS accuracy using the Wide Area Augmentation System