Using these devices companies can show advertisements animations logos and text for themselves or their products. Devices use very low power compared with its dimensions and has easy to use interface. With the program given you can play your animations make slideshows show pictures and text with different fonts. The device provides visual display with red and black contrast. Technical specifications include; - Can be produced in different sizes and pixel pitches - LEDs are selected to provide extra brightness - Is controlled by a computer - Can be run on its own memory independently without a computer.