Waterproof Slim Light Box 1. Adopt high-quality heavy-duty aluminum for the frame. The frame is strengthening designed to resist shock and beautiful appearance. 2. All top of frame can be fast opened. 3. Advanced optical light panel is used for even illumination. 4. Easy Artwork change and installation; 5. Using digital electronic ballast and high quality illuminant. 6. Conservation of energy. Energy conserve over 70% compared to traditional one. 7. Application interior decoration\chain operation store\company signboard\commercial centre\supermarket\airport\station\subway\bank\bus station\large exhibition project ect. Features: 1) Ultra slim, the thickness of the light box is 44mm. 2) Low consumption and environmental protection, save 70% energy compared with traditional ones by using LED strip as light source. 3) Slim light box is easy to install and change the pictures. 4) Light aluminium frame with very nice appearance. 5) High quality light-transmitting panel presents light homogeneously, softly. 6) Pass the standard of IP65. LED Strip: No heat, low energy consumption and low power compared with other light source. Ultra long life span is the most preponderance of our LED, its life time is 50, 000hours at least, up to 100, 000hours at most. Designs from customers are welcomed.