Features:OOTDTY   High performance, lowpower consumption,small size,easy installation.Reasonable designed,easy installation.The default output voltage of power module is 24V.Using 12V or 24V selective output,only need to connect response pad,can output 12V or 24V.Using sampling and TL431 voltage stabilization feedback, it has good voltage stabilization performance.brand new and high qualitySpecifications: Material:ABSSize:Approx.34x27mm/1.33x1.06inchesPackage Includes: 1x Power Supply ModuleNote: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.