... the electrical parameters like load current of the current electrical equipment etc. According to the current value detected and so on ... wireless communication technology, comply with HA protocolCan detect the current, voltage, power, quantity of electricity parameters etc.Support ... 220 VAC 50/60 HzDetection rangeVoltage: [110~220 VAC], current [0 ~ 10A]Communication range50 mWorking temperature-10~50° ...