... light box 1.Very long life span 2.Energy saving 3.With clip frame/screw lock,easy to change the poste acrylic light box Application ... station, club, ban, airport, exhibition center, photographic shop, show hall,company sign,house and office etc.Frame Color:Silver ... , Low power consumption: 60% less than traditional light box5,Easy to assemble and maintain6,Low heat generation acrylic light box