... and indoor usage 3Sizes can be customized 4.LED/EEFL all OK scrolling light box2Using 53/74 digital system,can takes 3 ... ;6 One Remote Device can control synchronously 50pcs Light boxes.ProductIndoor & Outdoor Scrolling Light BoxMaterialAluminium frame, DC motor, micro-control circuitry ... 99 seconds or minutesCan run 2 to 15 sets of light boxes at the same timeFunctionCan match automatic power on or ...