Operation has been confirmed. GOKKO AUDIO Power Supply for Effect Pedal, for Electric Guitar [Specifications] [Mini Design] Package: Power supply x1; DC power cable x6; Adapter x1; Velcro x2. Size: 7.8 x 4 x 2.2cm, about a quarter the size of a 5-inch mobile phone, making it convenient to carry. [6-Channel Independent Output] Power: AC110V-240V; Input: DC18V. Output: 2*9V 100mA; 2*9V 300mA; 2*9V 500mA. Six separate output power supply jacks, each with overload protection. Independent operation design, each connected device does not affect each other. [Practicality & Stability] Aluminum alloy with excellent heat dissipation is used to maintain stability. The mini power supply for effect pedals is powerful and low-noise, the adapter has PSE certification, and is also equipped with a noise filter, supporting clear and crisp sound. The blue LED lamp has a circuit indication function, making the power supply usage status clear at a glance. [Short Circuit Protection] Each channel is equipped with independent short circuit and overcurrent protection. Protection functions work when a short circuit occurs in the circuit due to misoperation or accidents, or when a large current occurs in the equipment, protecting the power supply itself and the effectors from damage.