1. LED display can show various advertising information including characters and letters, pictures, animations and videos, etc. 2. You can set several different display areas to achieve different visual display effects. 3. Rich display types create various display effects. 4. Built-in clock can show count-down or count-up. 5. With automatic on/off software and intelligent brightness control, the product is energy and power saving. 6. The product supports usb drive character storing function and serial port 232 computer sending function. 7. Led display screen supports wireless, USB and RS232/485. 8. Led display screen supports synchronization with the display and of image and sound. 9. The software is easy to learn and we provide on-line free training service. 10. The hardware is convenient to assemble. The modular design is suitable for different product sizes and satisfies various assembly demands. Carton.