Switch status dynamic display, voice anti-error prompt, on-off, remote local switch, energy storage switch, human body induction lighting switch, temperature and humidity measurement in the cabinet, full power parameter measurement, power metering, (extensible multirate metering) LCD display temperature and humidity and all power parameter data, six electrical contacts real-time temperature measurement (temperature measurement method is optional: Infrared, wireless, temperature ring), panel keyboard can be programmed on site, can set heating and exhaust air fixed value, embedded installation mode, RS485 communication interface, Modbus communication protocol, high voltage live display.