12V accent 10 degree, 200 lumen, 3000K spot light in textured black (BKT) is an integrated, fully sealed LED fixture that features 4,000 volt surge protection. Featuring custom optics that assures no halos or scallops to deliver superb center-to-edge uniformity for clean, clear light. About Photometrics Photometrics is the measurement of the intensity of light or relative illuminating power. It helps confirm the brightness, intensity, evenness of a light source.