1、Precise 4-digit LED DisplayThe variable power supply with a high-definition 4-digit display, which can display three values of voltage, current and power at the same time. The data is accurate to 0.01V and 0.001A. The bright white digital display helps you to operate as usual in the dark, and you can adjust the brightness of the screen as needed. 2、Output Enable/Disable ButtonIn the process of using the bench power supply, Output button can prevent us from forgetting to turn off the output and causing damage to the load. Just press this button to turn on or turn off the output of the power supply. This makes it more convenient for you to use the power supply. 3、Overcurrent conservationWhen the OCP function is turned on, if the load equipment is short-circuited during operation, the adjustable power supply will automatically stop output and send a buzzer to alert the user. Protect the adjustable power supply and load from damage. 4、High-precision encoder knobThe DC power supply has a precise encoder knob. You can press the knob to toggle each digit, then turn the knob in the 0-9 range to customize each digit. Set the voltage or current you want more accurately. The option to set the voltage or current can be toggled with the V/A button. 5、Application FieldProduction line testing, repair of mobile phones/ computers/ electrical appliances, product aging and electroplating, battery charging, laboratory, scientific research, teaching, etc.