Product Aluminium Scrolling light box Material alumium frame,DC motor,micro-control circuitry board,switch,ABS sucking material,roller,lights characteristic Used in/out door;AC/DC used; Can change 2-15 pictures; Can adjust settle time from 1to 99 seconds; Can run 2 to 15 sets of light boxes at the same times; Can run and change pictures stably; Picture twinkling instantly, Can step up advertise effect. function Can match automatic power on/off. Automatic return pictures when power cut. LED electronical display, Remote control Voice fuction etc. use Airport, bus-stop ,metro-station, chain store, shopping mall supermarket, hotel, restaurant, bank exhibition hall etc.