Die Casting Alloy Halogen Down Light Bulb: MR16 12V 50W Material: Die Casting Aluminum Alloy Socket: G5.3 Color: White, Antic Brass, Satin Nickel Features 1) Die Casting Aluminum Alloy 2) Metallic Satin Nickel Finishing 3) Twist and lock front, for easy lamp replacement 4) Internal 30 pivot IP20 Class II CE RoHS