AG-GT-31 GPS Data Logger
  Handheld GPS Data Logger with SD/MMC Card


 
  Key Features and Specifications:

  • SiRF Star III low-power chip
  • Up to 31 hours (backlit off) continuous/46 hours (backlit off) low-power mode operation time
  • Built-in 10+ languages
  • 1,000 waypoints, 20 routes and 1 track
  • Built-in flash memory to store 20,000 GPS data
  • Supports SD/MMC card to store GPS data
  • 10 seconds average speed display
  • Supports Doppler speed
  • Google Earth KML/GPX format support
  • Water-resistant and floatable