LED Backlit Box Signage Display Board 13"x 19" with Customer Artwork Printing (Black+printed film) Backlit boxes are widely used for airport signs, movie theater boxes, menu displays, bus stops, window decoration. Display area: 11"X 17", Aluminum frame size: 13"x19"x 5/8". Holds A3 size Poster. Poster Must Be Translucent/Backlit Film. Our backlit film in 8 color eco-solvent inks that produce stunningly rich and vibrant prints that last 20 times longer than other prints, scratch/water resistant, withstand direct UV sunlight for years to remain bright and vivid. Please attach your artwork to "contact Seller" message if you purchase the item with customer backlit print, and allow extra 3 days for us to make the print. printed film is sandwiched between two acrylic panels, no adhesive needed. CE and UL certified 110V-220V power adapter can be used for most area over the world.