Garmin Montana 650T 4" Portable GPS: * 4" display - Sunlight readable * Durable and waterproof - Withstands dust, dirt, humidity and water * 5 megapixel digital camera - Each photo is geotagged automatically, allowing you to navigate back to that exact spot in the future * Built-in 3 axis tilt-compensated electronic compass - See where you"re going even while standing still, without holding it level * Array of mounts - Auto mount for turn-by-turn driving directions or rugged mount for motorcycles and ATVs * Download GPX files and details to the unit for paperless geocaching - Stores and displays location, terrain, difficulty, hints, descriptions and more * WAAS-enabled GPS receiver and HotFix satellite prediction - Get quick and precise locations * Share wirelessly with other compatible Garmin GPS devices - Tell your friends exactly where your favorite hike or cache is * MicroSD card slot and 3.5 GB internal memory - Load TOPO 24K maps, plug in BlueChart g2 preloaded cards, use the City Navigator NT map data or BirdsEye Satellite Imagery * Dual battery system - Use rechargeable lithium-ion pack or traditional AA batteries