The Oregon 600 series features a dual battery system allowing you to choose between two AA batteries or a rechargeable NiMH battery pack (NiMH pack included with 650 and 650t only). Additionally you can wirelessly transfer and share data using Bluetooth technology plus use the microSD card slot for additional mapping and data storage. For included mapping choose the 600t or 650t which come preloaded with our most up-to-date U.S. TOPO 100K or TOPO Canada (650t only) maps for extra detail. And best of all the 650 and 650t offer a powerful 8MP autofocus camera with LED flash/torch that geotags your location for an enhanced experience. Includes: Oregon 650t preloaded U.S. TOPO 100K NiMH battery pack USB/charging cable AC adapter carabiner clip documentation