ITEM NAME:1pcs Waterproof Constant Current Led Driver Power Supply DC22-38V 1800mA Description: Input voltage: 100-240V; input current: 0.45A Output voltage: 22-38V; output current: 1800mA  ± 5% Conversion efficiency: ≠¥88% The small sizeï ¼Å’light weight and high efficiency of the whole machine ensure stable and reliable operation at full load for a long time. Suitable for RGB floodlights, wall washers, buildings, park walls and other lighting. Specification: Material: aluminum + electronic components Size: 138x36x21 mm / 5.43x1.41x0.82 inch Access line length: approx. 38 cm / 14.96 inch Take the line length: approx. 31 cm / 12.20 inch Package Includes: 1 Piece Constant Current Power Supply.Access line length: approx. Take the line length: approx. Conversion efficiency: ≠¥88%.