... has CE,FCC,RoHS certifications.Widely ysed in many countries, so also urs. Three-in-one surge protect device, applied to monitor cameras ... equipments have potential difference instant increases Technology ParameterNominal voltage UN5VAC24V,DC12V,AC220VMax. Continuous dc voltage UC8V30V,18V,320VC2 nominal discharge current per ... LABLE service .So we look forword to cooperate with you in the near future.