Product Description: Indoor LED grid display is usually used in stages, bars, discos, clubs or other mass recreation sites as their backgrounds. It creates beautiful and imaginative scenes with wonderful color effects. Having unique and exclusive artistic charms, it has features like transparency, lightness and thinness. It can display all kinds of videos, pictures, animations and flashes. Backgrounds created by the system look like fabric painting; virtual scenery makes the whole stage look like fairyland; the imaginative scenes can generate marvelous colors. Having advantages like anti-wind, electrically-insulated, it can be easily installed, substituting real sceneries necessary for stages. The LED grid display system is unprecedented in the world and its sole patent was obtained. Specifications: 1. Pixel configuration: 2-Red, 1-Green, 1-Blue (DIP component) 2. Resolution: 625 pixels/sqm 3. Pixel pitch: 40mm 4. Dimensions: 640 x 1,280mm, Thickness: 40mm 5. Weight: 30kg/sqm 6. Luminance: 1500cd/sqm (Static), 500cd/sqm (1/4 scanning) 7. Transparency: 85% 8. Color depth: 256 grades of each of RGB 9. Color: 16.7M 10. Viewable angle: 120?(Horizontal), 45?(Vertical) 11. Power consumption: 600W/sqm (max.) 12. Power supply: AC 220V or AC 110V 13. Ambient temperature: -30 ~ +50癈 14. Relative humidity: 10% to 60% 15. Date refresh rate: 300Hz 16. Video frame rate: 60 frames/s 17. Signal communication: through DVI cable and LAN wire