• 30V 60A High Power DC Power Supply Variable(Plug NOT Included), 1800W Adjustable Switching Regulated DC Bench Power Supply with PC Software Control, Precision 4-Digits Display, Precision Encoder Knob KWD 232
• DC Power Supply Variable 30V 5A with Output Switch, Adjustable Regulated Switching Bench Power Supply with 4-Digits LED Power Display, 5V/2A USB Interface, Accurate Encoder Adjustment Knob KWD 25