• Input reverse polarity protection

• Built-in output short protection function

• The built-in thermal shutdown function

• Press the right key to let the display show the input or output voltage. when the right “OUT” led light, it shows output, the left “IN” led show input.

• Power off memory function, show that road after power voltage values measured for the last time

• Press the touch button for 3 seconds to turn off LED display, touch the button again to turn on the LED display

• The band terminals, no iron can also be easy to use, and retention wire connection point