Overload alarm function, beyond the power alarm threshold power will automatically flicker alarm.
The power alarm threshold preset function can set the power alarm threshold by itself.
The display consists of four four bright red digital tubes, which are used to display voltage, current, power and power parameters.
A button is built into the panel to do the electricity clearing function.
Support serial communication function, with TTL serial interface, can communicate with various terminals through the adapter board, read and set parameters.