led writing board 1,convenient for advertising 2,100000hs lifespan led 3,remote controller 4,OEM led writing board 2011 new led writing boardusage1. For advertising to promote new items or reduction sales at dressing shops, bookstores, bars, malls, supermarket, window display, etc.2. For decoration in festivals, holidays and parties3. For notice in schools, public places, companies, roads as ...