ColorBlast Powercore gen4, RGBW OptiField boosts output and flexibility to meet the most demanding white and 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, RGBW OptiField adds a separate white LED creating better-quality whites compared to RGB. OptiField technology delivers extremely uniform (5:1) illuminance, providing smooth, even light and subtle shadingÑwithout hotspots or banding.