Garmin RA32495 GPSMAP® 64 Handheld GPS

2.6"
sunlight-readable color screen
160 x 240 pixels
High-sensitivity GPS/GLONASS receiver with quad helix antenna
Built-in worldwide basemap with shaded relief
4GB of internal memory & microSD(TM) Card slot
250,000 preloaded caches for paperless caching available online
USB & NMEA 0183 compatible
Up to 16 hours of battery life
Requires 2 AA batteries, NiMH or lithium recommended