LED BackLit Box and Signage Display Board (19"x 26" Black) LED illuminated Backlit display boxes. Frame Color: Black. Frame size: 19"x 26"X 1". Display area: 16.5" x 23.25". Ultra-thin Aluminum Alloy frame. Hanging horizontally or vertically. Flip clamp type frame make it easy to change artwork from front side. BackLit film is sandwiched between two acrylic panels, no adhesive needed. CE and UL certified 110V-220V power adapter, suitable for most area over the world.