aluminium die casting aluminium die casting, up to you! 1)Standard: JIS, DIN, ASTM,BS, ISO,AISI 2)Material: Aluminium alloy & Zinc alloy Aluminium Die CastingLight source: high power LED Beam angle: 85° Diameter of the round part: 6 inches Power consumption: 13W Luminous flux: 640lm Input voltage: 120V AC Operating current: 120mA Die-cast aluminum housing