USB DC Regulated Laboratory Power Supply Adjustable 30V 10A Voltage Regulator Stabilizer Switch Bench Power 5A Source 110V 220V ,Low-loss

1.Have complete operating protection function 2.Highly efficient, low ripple, small volume, light weight 3.Double display voltage, current, and high precision 4.Voltage stabilization, current limiting, simple operation 5.Dual voltage input and convenient choice 6.Temperature control fan heat dissipation, low noise 7.Double potentiometer more precise adjustment