Garmin GPSMap 60CSx Handheld GPS Navigator. Garmin's MAP60 CSx is an all-purpose upgradeable handheld locator that lets you load up your own digital maps for better reference. The reflective 256-color display lets you find your way on the map in almost any lighting. It's got a long-life battery for up to 20 hours of outdoors adventuring. The new MicroSD card slots make it simpler than ever to find those out-of-the-way places -- just put them on a MicroSD card and load it up. Internal Memory - 64MB MicroSD Card slot Celestial tables Quad helix antenna Battery life - 20 hours (requires 2 AA batteries) Includes belt clip and USB cable