Garmin Montana 610 Rugged GPS/GLONASS

Garmin Montana 610. Display diagonal: 10.2 cm (4"), Display resolution: 272 x 480 pixels, Display: TFT. Compatible memory cards: MicroSD (TransFlash), Internal storage capacity: 2.7 GB. Form factor: Handheld, Product colour: Black. Power source type: Battery, Battery technology: Lithium-Ion (Li-Ion), Battery type: AA. Weight: 289 g, Width: 74.8 mm, Depth: 3.64 mm