... :Transmitter:Automatically detect and adapt to different levels of DC system voltage.Measuring positive and negative bus to ground ... insulation fault up to 200KΩ.l Specifications:Complete:Application of DC system voltage level: 220V,110V,48V,24VAnti-distributed capacitance ... current of signal:≤5mAVoltage withstand of output:400V DC shock Power supply:DC(220V,110V)or AC 220VVolume:195mm×112mm×65mm ...