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Feature 7 dot serial led moving sign . 1. Pixel color : many color can be selected , red,green,amber, tri-color,etc. 2. Pixel style : led lamp or dot matrix 3. Support english ,other characters,symbol graphic , and build-in animation display 4. 99 message storage capacity. 5. Internal speaker for alarm setting 6. 25 message operation mode such as Cyclic , Scroll up , etc. 7. Build-in real time clock (12 hour or 24 hour format) 8. Build-in timer to power on/off display 9. Support user-define graphic 10. Support message display schedule 11. 30 pre-program graphic 12. Password protection 13. 8 programmable display speeds 14. Communication method : RF wireless, ethernet,RS232,RS485 and IR.Feature