... Longkou City Wuyang Electronics Co.,Ltd Manufactured for Em System - Security & Protection System Func Specifications : Working VoltageAC:220V±20% ... liquid plastic magnetic strip inside the , the better hidden. Cell phone, MP3, mobile hard drives, laptops, etc. have been ... , foil packaging of goods also have protection. 5.Dual alarm; When magnetizing the magnetic stripe through the monitoring channel, ...