Simple Sam Flanger-Roo Flanger Guitar Effect Pedal True Bypass Astounding ToneFLANGER-ROO has BBD artificial circuit and four combined adjusting knobs, so as to achieve metallic flanging timbre, water-like chorus and rapid vibrato. SpecificationsDimensions:92*49*46mmWeight:175gDelay Time:0.9ms~6.4msSpeed Range:0.4Hz~8HzInput Impedance:500KΩOutput Impedance:10KΩWorking Voltage:DC9V(center minus)Rated current consumption :17mATrue Bypass switching DesignNote: Power supply not included. Please use a 9V DC 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)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 eCRATER 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.