DC power supply (0-120V,0-3A) 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 (0-120V,0-3A) 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