YF-39 ZIP AMP (Overdrive) ZIP AMP (Overdrive) It delivers strong compression overdrive tone, also with great Gain, you can adjust the compression by the COMP toggle switch. Compared with TAUREN/TAICHI, ZIP AMP is kind of a passionate rocker. Aluminum alloy casing with brushed metal finish. ***These pedals are not to be confused with some others that look the same, I will not mention them,The electronics of YUER pedals are far more superior. *** 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) 1 * Year warranty through our store No Duty to Canada and USA FAST 'N FREE USA Shipping (typically about 4 days via USPS Ground Advantage ) Ships from Canada (depending on stock availability, may also ship from our Niagara Falls NY. location) *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.