acrylic light box 1.Very long life span 2.Energy ... .With clip frame/screw lock,easy to change the poste acrylic light box Application: Advertising or decoration purposes of restaurant, ... club, ban, airport, exhibition center, photographic shop, show hall,company sign,house and office etc.Frame Color:Silver white,shining silver ... box5,Easy to assemble and maintain6,Low heat generation acrylic light box