... Supply 2, 110/220V input, OMKQN 3, Installed with EMI filter, minimum wave 4, 2 years warranty Warmly welcome, dear friends ... detailed info for my OMKQN 110V/220V Input 350W Single Output Switching Power Supply S-350 series. Hope you like it ... warranty, anything wrong with it, like no working,an unstable output voltage or current, damaged, my corporation will be responsible to ...