... 1, 350W Swithching Power Supply 2, 110/220V input, OMKQN 3, Installed with EMI filter, minimum ... power supply, please don't hesitate to contact us.Installation: It is with screw terminals , so you can use wires to connect easily, or use a AC ... -sale service All of the products we sell are with a certain time ... warranty, anything wrong with it, like no working,an unstable output voltage or current, ...