Product Details： With Infrared Function To Test Things Like , Air Conditioners, , Amplifiers, Etc., Good Or Bad Remote Controls Or Lack Of Power. Module Board Is Compatible With All 20pin And 24pin Atx Computer Power Supplies. With A Light Touch Switch With A Life Of 550,000 Cycles For Easier Operation. Reserved Xh2.54-2p Terminal (overhang), Two External Wires Can Be Used To Control The Atx Power Supply On/off Using The Microcontroller Io Port (5v) Or The Switch (easy To Add A Shell For Modification). The Board Contains 6 Usb Ports, Each Usb Port Can Output 5v, Max = 2.1a Current, Can Be Powered To Mobile Phones, Tablets, Mobile Power, Torches, Electronic Products Aging, Etc. The Module Uses High-current Terminals (terminal Withstanding Voltage 300v/can Pass 20a Current), Solving The Problem Of Poor Wiring And Bad Wiring Caused By Terminal Blocks And Screw Type Terminals. The Module Outputs +12v, -12v, +5v, 5vsb, +3.3v After Power On, Which Enables You To Make Better Use Of The Atx Power Supply And Facilitates Your Use