1.panle material:high-quality optical acrylic 2.LED lights:RGB 5050 SMD 3.frame material: ... strong aluminum Product Name: High-quality Optical Acrylic LED Message BoardDetails:1.Aluminum frame,polish into smooth ... : fast-food restaurant, chain-stores, interior decoration,hotel,bar.Optional accessories:colourful marker pen,eraser,chain,rechargeable battery,tripod.