... 1.Aluminum Frame 2.Can be used for outdoor and indoor 3.Customized sizes are available scrolling light box2Using ... Device can control synchronously 50pcs Light boxes.ProductIndoor & Outdoor Scrolling Light BoxMaterialAluminium frame, DC motor, micro-control ... , switch, roller, LED, wires, etc.DurableIndoor or outdoor used; Single or double sidedPoster2 to 10 advertisementsCharacteristicCan adjust ...