... 1. RFID capacity: 30000,2. logs capacity: 50000,3. Communication: RS232/485,TCP/IP,U-Disk,weigan in/out,4. Verification ... RS485 communication and low speed for transferring data, standalone or network deployment2. Protect the data with encrypted technology 3. Professional access ... access control .6. Embedded webserver: support browser to inquire access data at local or remote .7. No LCD and no keypad ...