3mm 5x7 Ultra Bright Red LED Dot Matrix Display, Common Anode for Industrial Control Panel High-performance 5*7 dot matrix LED display designed for digital time zone clock indicators and industrial applications. Product Specifications Dot Matrix: 5*7 configuration Emitting Dot Diameter: 3mm Outer Dimensions: 22.75 * 31.8 * 8.5mm Connection: Row Cathode, Column Anode Emitting Color: Ultra bright red (620-625nm) Luminous Intensity: 120-160mcd Voltage: 2.5-3.0V/LED Available