Usage:Outdoor Tube Chip Color:Full Color Display Function:Vls:10mm16mm20mm Screen Dimension:Customized Product name:led advertising display LED chip:Epistar Module size:256mm*128mm Brightness:7000 cd m2 Life span:100000hours Warranty:3 Years Certificate:CCC CE ROHS ISO Power Supply:Chuanglian Pixel density:27777Scan mode:1 4 Dynamic Constant Current