112 full cherry mechanical keys Keys may be combined in dual or quad caps Integrate with magnetic stripe reader (3 tracks readable) OR / AND Key lock for option 4 places for MSR and 2 places Key lock for install, 12 kinds ofcombination Easy to configure by the free Window AP (for W in 9x/NT/XP) Pass through by PS/2 port RS232 port Standard barcode scanner port interfaces to decoded CCD and laser barcode scanner device All configuration data is stored in 30KB memory