BSIDE DC Power Supply Variable 30V 5A Bench Power Supply, Encoder Knob With Memory Storage, 4-Digits Adjustable Switching Regulated Lab

[Memory
Storage]: The DC power supply can storage 3 sets of data, for example your commonly used voltage and current, you can active the commonly used data by pressing the button (button 1, 2 or 3) once.; [Auto C. V. and C. C.
Mode]: The lab power supply can be used as a constant-voltage(C. V. ) power supply and constant-current (C. C. ) power supply. It switches automatically between CV mode and CC mode according to the changes in the load.;
[Encoder Adjustment Knob]: The variable power supply equipped with a high precision encoder knob. Pressing the knob to switch the number of digits, rotating the knob to customize each digit from 0 to 9.;
[Output Switch Control]: When the output button of this DC power supply in on status, you don't always have to go into enclosed or small spaces to manually switch the power output. When in off status, it protects against electric shocks.;
[OVP/OCP/OLP/OTP Protection]: The bench power supply has function of over voltage protection, over current protection, overload protection and over temperature protection, which provides you with full-around security.