Discover the Ultra Bright Blue 3mm DOT Matrix LED Display 5 X 7, perfect for digital time zone clock indicators. This high-quality LED display features a 5*7 dot matrix, 3mm emitting dot diameter, and ultra-bright blue color (460-470NM). Ideal for various applications, it comes in multiple colors and ensures reliable performance with a forward voltage of 2.6-3.0V/LED.