Key features include:

• 8.4" 256-color 640x480 TFT Display (G308A)
• 7.7" 256-color 640x480 DSTN Display (G308C)
• 3rd Generation HMI from Red Lion
• Configured using Crimson 2.0 Software (Must use Build 187 or later for G308A)
• Powerful 32-bit ColdFire Processor
• Configuration and Firmware are Stored in 8MB of Non-volatile FLASH Memory
• Resistive Analog Touchscreen
• Dedicated MENU Key and 6 Soft-Keys
• Integrated Protocol Converter
• Up to 5 RS-232/422/485 Serial Ports
• 10-Base-T/100-Base-TX Ethernet Port
• Remote Web Access and Control Facility
• USB Port for Configuration Download
• Compact Flash Socket
• UL Listed for use in Hazardous Locations. (See literature for class
  and division details.)
• NEMA 4X / IP66 Front Panel
• 24V DC Operation
    More Detail
   Source & more detail can see in
   http://www.redlion.net/Products/HumanMachineInterface