0.8 x 5.5 x 3.3 inches

Easy to use dedicated GPS navigator with bright 5.0 inch dual orientation display Preloaded with lifetime maps of the U.S.only (does not include Canada maps) External memory storage-This USB mass storage device is compatible with Windows XP or newer and Mac OS X 10.4 or later. Battery type-rechargeable lithium-ion. Battery life-up to 1 hour Driver alerts for dangerous curves, speed changes, speed cameras, railroad crossings, animal crossings and more. Display resolution: 480 x 272 pixels