12V with Variable Lumen Output ( VLO ) that allows you to easily switch between three lumen outputs (400600 835 lumens) without mechanically adjusting the settings on the fixture. The adjustable lumen large accent 60 degree wide flood 3000K spot light in textured architectural bronze (AZT) is an integrated fully sealed LED fixture that features 6000 volt surge protection. Featuring custom optics that assures no halos or scallops to deliver superb center-to-edge uniformity for clean clear light.