28mm Square RGB cluster. True 256 Color, excellent for graphics and full color displays. Waterproof and suitable for outdoor applications. Uses oval color diffused lens. Colors: Red (AlInGaP 630nm), Green (InGaN 520nm) and Blue (InGaN 465). Luminous Intensity: Red 2.2 cd (4 pcs), Green 3.0 cd (2 pcs) and Blue 1.2 cd (2 pcs). Viewing angle: 140/40 Degree.