Product Description: Our production of military special instruments, not in this presentation. I produced the digital scrolling light box structure is simple, attractive appearance, high-tech, reliable quality and reasonable prices. Our production of digital scrolling system without chains or belts used external drive mechanism, and no external sensor, which uses micro-computer control, system self-learning mode, pulsed digital positioning, using a reliable home return, to ensure that the picture position positioning accuracy, the accumulated error is automatically eliminated. Continuous length of painted scroll volume up to 8 to 10 meters long. The rest position and the time of each picture can be precisely set by the dedicated external controller or remote control, time setting range varies from 1 to tens of seconds. Multiple boxes can be linked into a group, so a wired or wireless communication synchronous operation, the linkage effect is more shocking. The location and number of posters by users set their own households and replacement, easy to operate. Press reel diameter of points: the main SAT-SH-55 Digital Brushless series, SAT-SH-63 Digital Brushless series and SAT-SH-100 Digital Brushless series. 55 series general area of ??the screen to scroll up 2.0X1.5 meters, 63 series general area of ??the screen to scroll up 3.5X1.5 m and 100 series to scroll the screen area is generally up 6.0X3.0 meters.