... ),Indoor 4. Shops,schools,offices Led Digital Display Board Specification:1. Pixel:7X80Features:1. Display English and other characters, graphic symbol and ... -in real time clock with 12-hour or 24-hour display format 8. 8 pre-defined graph for easy to recall ... as MERRY CHRISTMAS 12. Sequencing multiple messages display 13. Time-Alarm setting 14. 8 programmable display speeds 15. 8 pause periods from ...