 4MB storage
 with real-time clock system
 support TCP/IP,RS232,RS485,
 with hardware scan circuit
 display English and Chinese characters availably,
 display area: 512*1024dots (max)
 4096 scale gray available when display full color
 display GIF or other animation availably, and with 25 kinds of English fonts
 display graphics, time ,and other special contents availably.
 attached AD converter with two interfaces
 support the standard LED interface
 with LED display operating software: Sight-on-Display