Lot of 10 pcs LM2596 DC 3A Step-Down Adjustable Breadboard Module Power Supply Converter, LM2596 DC-DC Buck Converter Step Down Module Power Supply Adjust Output 1.5V-35V Conversion Efficiency: Up to 92% (output voltage higher, the higher the efficiency) Switching Frequency: 150KHz Output voltage:1.5-35V(Adjustable) Output current:Rated current is 2A,maximum 3A(Additional heatsink is required) Short Circuit Protection: Current limiting, since the recovery