... 12W4,meet Safety Agency Requirements& Complies EMI/EMC5,Modified and Customized design Available6,1 years Warranty7,CB/UL/cUL/PSE ... professional manufacturer which is specializing in researching, developing, manufacturing and marketing switching power supply, AC/DC power adapter, ... have complete after-sales service, Special after-sales tracking and follow -up to serve you better.In addition, Uniontop ...