Features: The adapter has two joystick controller ports and one Gun-Con lightgun composite port (RCAplug port). The PSX SNAC adapter allows for interfacing the PS core with its native accessories ( controller, lightgun, etc.). Provides 0 input lag for controllers and accessories. Allows you to connect the USB 3.0 port on the IOboards. The adapter requires an Analog IOBoard v6.1 or Digital IOBoard v1.2. Lightgun only work with cathode ray-tube TVs. This device can be used alone and does not require a SNAC adapter. Specifications: Material: PCBA Packing Size: Approx. 10.5x8x2.5cm/4.13x3.14x0.98 inch SETUP: Update to the latest core Connect the SNAC adapter to the USB 3.0 port on the IOboard Select SNAC as controller within the core menus (Pad1 -> SNAC-port1) (Pad2 -> SNAC-port2) Package Includes: 1x SNAC PS PSX Controller 1x USB3.0 Extension Cable note: Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.