... capacity: 30000,2. logs capacity: 50000,3. Communication: RS232/485,TCP/IP,U-Disk,weigan in/out,4. Verification mode : 1 ... design with Acrylic plasticBenefits:1. Revolutionary products in industry with TCP/IP interface, avoid RS485 communication and low speed for transferring ... keypad enhance the functions of waterproof and dustproof . RS232/485 TCP/IP RFID Access Control BTS-SCR100