Nice appearance, small-size and light weight VFD display.Convenient leaning numeric keypad.Intellective fan cooling.Constant voltage (CV) outputsConstant current (CC) outputs.Over current and over temperature protection.Limit voltage protection.Sixteen operating states storage.Output on/off.Free software for calibration and control.High accuracy and high resolution.Low ripple and noise.Excellent load and line regulation May be used in series or parallel modes