LED text message signs are visual attention-getters; can be seen from as far as 30 feet Wall-mounted, indoor moving message signs allow you to easily program your own messages from either a remote keyboard or through your wired computer. Message scrolls from right to left, just like television newscast "crawls," to keep patrons informed. Characters are 2"H in 16 colors, for easy viewing at a distance. Easily program custom messages from a fully-functional wireless keypad. Product includes: keypad, a 36 page instruction guide, and mounting hardware. Note: A "trial" version PC software disc and USB cable is included in the packaging which illustrates how to program the messages through a wired network for multiple sites.Choose from 3 viewing field sizes: LED3526: 12 characters LED2827: 16 characters LED3527: 24 characters UL-listed. Overall dimensions:LED3526: 4 1/2H x 20 1/2W x 1 7/8"D, with 12 character field LED2827: 4 1/2H x 28W x 1 7/8"D, with 16 character field LED3527: 4 1/2H x 39 1/2W x 1 7/8"D, with 24 character field