LED display : 1.Size:49X63.5CM 2.Material:Acrylic board 3.Light color:7 colors 4.LED life 100000hs Full colors LED menu board LED displayProduct ... /purple/white. Easy wiping, most billboards are one-off,but led writing board could be used again and again,it fits ... .Working Frequency:50HZ 4.LED Life Time:10Wh 5.Apply to: bars, restaurants, hotels and shops, supermarkets, parking lot, the company, the ...