Switching Power Supply Board,Isolated Power Supply Module,Voltage Converter Module,Green AC DC Constant Current/Voltage Power Supply Module 100V-265V to 9-13V 50W Power Converters. Isolated Precision Buck Power Supply Module,100V-265V Wide Voltage Range Input with Overvoltage,Over Current,Short Circuit Protection,and In Operation,Constant Current,Constant Voltage. Power : Short Circuit,Overvoltage,Over Current,Open Circuit Protection. Input voltage: AC 100- 265V 50/60HZ (wide voltage input, suitable for various use environments). Output Voltage: DC 9V - 13V (DC 12V) Output Power: 50W Output Current: 3.3A Material: PCB Overall Size: Approx. 72 x 60 x 20mm / 2.8 x 2.3 x 0.79in (LxWxH) Have 2 fixed mounting hole to prevent movement 1 vibration lead to productpower, fixed hole straight by 4.2mm. Package List: 1 x 3.3A 9-13V 50W Power Supply Module