... ,advanced microcomputer CMOS chip help to control,displays voltage and switchs voltage automically;2,Multi-types of exchangeable connectors use ... for laptops and other digital products;3,Safe and reliable with 15-24V output voltage;4,Input 100V- ... 7,Installing EMC and EMI,that's for absorbing in-burst current and restrainingn electric circuit. AC Adaptor, power adaptor, power supply, Laptop Adaptor ...