JOYO JF-04 High Gain Distortion Get the kind of hard distortion used by the bands you love--from the crunch of AC/DC to the heavy metal of Metallica. Heavy, chunky, dark. For those who like to wear black. Modeled after the Marhshall Shredmaster Gain ,Treble, Mid, and Volume Controls True Bypass design Aluminum alloy casing with stoving varnish finish 9V power via battery or powered supply (not included) Specifications: Model: JF-04 Color: Black Material: Aluminum alloy Input impedance: 500K Output impedance: 10K Running current: 11mA Power: 6F22 9V battery / DC 9V adapter (Neither included) Item size: 12 * 9.6 * 5.7cm / 4.7 * 3.8 * 2.3in Item weight: 380g / 13.4oz Package size: 13 * 10.4 * 6.2cm / 5.1 * 4.1 * 2.4in Package weight: 420g / 14.7oz Note: Power supply not included. Please use the 9V power adapter whose polarity is negative center otherwise, the product may not work properly. Package List: 1 * Effect Pedal 1 * User Manual(English Chinese) 1 * Year warranty through our store No Duty to Canada and USA FAST 'N FREE USA Shipping (typically about 4 days) Ships from Canada *Just to be clear on DUTY, (regardless of what warns buyers of ) Canada and the USA have a trade agreement in place that allows US citizens to purchase/import up to $800 dollars per purchase in to the United States from Canada with NO Duty at all, State taxes are another story, some states charge a TAX some do not, BUT NO duty.