Feature:1. Through the toggle switch, you can easily switch the output voltage among and3.3V, and5V, -12V, and12V, and5V.2. The second switch can be used on the front panel, and the 2 pins are shorted to turn on the power.3. and5vsb is a backup power supply, which can be applied to backup control circuits to ensure stable working.4. Allows for wide application, suitable for some power amplifier boards, other electronic equipment, etc.5. With a compact size, it's very easy to carry and store, convenient to use and with good performance.Specification:Item Type: ATX Power BoardProduct Material: ResinInput Interface: Computer Power ATX20PIN or 24PINOutput Voltage: and3.3V and5V -12V and12V and5VsbControl Mode: Toggle Switch Or Second Switch (can be drawn)The Second Switch: Can be used for the front panel, the two pins are short-circuited to turn on the power. Auxiliary Voltage: and5Vsb is the standby power supply, which is available when the power supply is powered on, and can be used for the standby control circuit. Application: Suitable for power amplifier boards, other electronic equipment, etc..Package List:1 x ATX Power BoardNote:Since it's manual measurement, please understand if there is any error.