TECLED have slim LED light boxes in different sizes, (18 x 24" / 24 x 24" / 24 x 36" / 24 x 48" / 36 x 48"). The slim light boxes use 12V DC. They are made of acrylic aluminum alloy, making them very durable. The super slim frame is only 22mm. 4 sides of lightbox can be snap open for easy graphic change. The light boxes come with protective acrylic covers and high illumination, and even light distribution.