DC Power Supply (0-30V,0-10A) Adjustable, Switching Power Supply, Mini high Precision 4-Digit Display with USB Fast Charging Interface, Variable lab Bench Power Supply, Output on/Off/Encoder knob

DC Power Supply (0-30V,0-10A) Adjustable, Switching Power Supply, Mini high Precision 4-Digit Display with USB Fast Charging Interface, Variable lab Bench Power Supply, Output on/Off/Encoder knob