Guitar and Bass players hate noise; whether it?s from pickups, lights or pedals, it doesn?t matter. The Mooer Noise Killer provides a simple and effective way to eliminate that noise. The Noise Killer features a Threshold control, which sets the point at which the unit starts to ?kill? or GATE the noise. In addition, the Hard/Soft switch lets you decide how aggressively the Noise Killer treats the offending signal. It?s that easy. If you need a quick and easy way to eliminate noise, the Mooer Noise Killer is your pedal. Mooer Audio micro effect pedals pack an incredibly BIG sound into a very small package. Very small and exquisite Full Metal Shell True bypass Specifications Input: 1/4? monaural jack (impedance: 1M Ohms) Output: 1/4? monaural jack (impedance: 470 Ohms) Power Requirements: AC adapter 9V DC (center minus plug) Current Draw: 40 mA Dimensions: 93.5mm (D) 42mm (W) 52mm (H) Weight:160g 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 via USPS ) 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.