1、This product is a digital display programmable switch DC power supply, which can simultaneously display voltage, current, power. 2、Good stability and ripple coefficient, with short circuit protection, over voltage protection, over current protection, over temperature protection and other protection circuits. 3、With USB power supply interface, support PC software control function, widely used in product aging, research and development test, school and production line use 4、Product design is beautiful, easy to operate and use, with 4 digital tube display, stable performance, can long time full load work. 5、The output voltage and output current are pre regulated by the encoder knob and can be continuously adjustable between 0 and nominal values. Item Type: DC Power Supply Material: Metal Plate+ABS Model: WPS3010H Output Current: 0A-10A Output Power: 300W Model WPS3010H Output Voltage 0-Nominal value voltage continuously adjustable Output Current 0-Nominal current is continuously adjustable Output Power Voltage V Current A Accessibility Output output, OCP short circuit protection, USB fast charge interface Input Voltage AC115V±10%, AC230V±10%, the input AC voltage can be switched Operating Temperature 0℃-40℃; relative humidity: <80%RH Storage Temperature -10℃-70℃; relative humidity: <70%RH Constant Pressure State Voltage stability<0.5%+3mV Load Stability<0.5%+3mV Waves Noise<0.5%V P-P Constant Current State Current stability <0.5%+3mA Negative Stability<0.5%+3mA Waves Noise<0.5%A P-P Protection Method Over voltage protection, over current protection, over temperature protection, short circuit protection Display 4 digit digital tube, three groups of voltage, current and power display Display Accuracy 0.5%+5 Display Resolution Voltage: 0.01V, current: 0.001A (when greater than 100V: 0.1v, when greater than 10A: 0.01A) 1 x DC Power Supply 1 x Power Cord 1 x Load Line 1  x Manual