... board, LED Message Board, LED Sparkle Writing Board, Neon Sign Board, Neon Writing Board, Neon Chalk Board, erasable led writing board, magic led writing board, LED Flashing Board ... Frame material: Aluminum alloy. 2. This Led Advertising Board is composed of 7 colors LED (normal white, ... up to 100, 000 hours). Package Information: * 1 Led message board (30*40CM, other sizes are available). * 1 adapter ...