The Mini Data Terminal 905 comes standard as USBVirtual Serial, can also be programmed as USBHID, Serial RS232 or Ethernet. It has a 12key braille membrane layout, is fully programmable and comes with many card reader options. Features. Easy to set up and use. Operates in standard terminal or lineedit pinpad mode. 12 keys braille membrane, 20 million operations. 2 x 16 supertwist backlit LCD sealed. Two programmable LEDs. Fullyprogrammable serial settings key table. Detachable USB Type A Male to USB Type B Male Cable Included. RS232C compliant fullduplex, supports a wide variety of baud rates and word formatsSpecifications. Life Cycles 2 x 107. Key Type braille membrane 20,000,000 operations. Operating Force 0.686N 79gf. Color Two tone, light and dark gray. Number of Keys 12. Power Supply 5vDC, 60ma not including card reader.RS232 adapter supplied, USB bus powered.. Key RollOver Selectable 1 or 2 key. Memory FLASHEEPROM nonvolatile, 100 year retention. Type 2x16 SuperTwist STN. Backlight Yes LED. Colors 1 Green, 1 Red Both user programmable