ColorBlast Powercore gen4, RGBA OptiField boosts output and flexibility to meet the most demanding color lighting applications. Get high output, greater efficacy, precise color, remote monitoring, and moreÑall in a compact, reliable flood that's easy to customize and install. ColorBlast Powercore gen4, RGBA OptiField adds a separate amber LED which expands the available range of colors to include warmer tones such as rich gold, yellow, and orange shades. OptiField technology delivers extremely uniform (5:1) illuminance, providing smooth, even light and subtle shadingÑwithout hotspots or banding.