The Vortech adjustable mini cylinder is for use with a 12V MR16 50W max. Optional LED lamp is available. Adjustable up to 358 degree and locking hex screw for precise aiming. Fixtures is available in 316 stainless steel or die-cast aluminum. The 316 stainless steel is of marine grade quality and has superior corrosion resistance. Die-cast aluminum is available is powder-coated white, black or bronze. To ensure the natural appearance of stainless steel, regular cleaning is necessary.