The Mosky Blue Ocean Chorus is designed and upgraded based on the classical Boss CE2 chorus. True-Bypass Switching Circuit. True bypass means that when the effect is off your guitar tone will not be affected at all. The true bypass circuit makes sure you have absolutely no tone loss or signal reduction. through the chorus pedal in the off/bypass mode. Full metal shell and compact size, durable and portable. Specifications: Input impedance: approx. 400K Output impedance: approx. 2K Current consumption: 40mA at 9VDC Power Supply: DC 9V adapter (center minus plug)(not included) Package Size: 12 * 7 * 7cm/ 4.7 * 2.8 * 2.8in Package Weight: 196g / 6.9oz 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.