MOSKY OTA Phaser Pedal,4 Mode Phase Effect Pedal with Rate/Depth/Level/Tone Button,Guitar Accessory for Electric Guitar RATE | The Rate control is used to sweep through the range of LFO speeds in both modes. DEPTH | The Depth control can be looked at as a dry/wet mixer. Atits minimum setting you will find very subtle phasing effects (notcompletely dry) and at its maximum level the phasing effect will beextremely present (very wet) and basically the opposite of subtle. LEVEL | The Level control is an output volume control, allowing you toperfectly match unity gain with the rest of your pedal chain or dialin just the right amount of signal boost to make your phased tonesgrab everyone's attention. Control: RATE,DEPTH,LEVEL 4-MODE SELECTION KNOB 1-TONE Toggle Swtich True Bypass Power Supply: 9V DC power -center is negative Packing Size: 147 (W) x 78 (D) x7(H) mm Weight:300g Note: 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 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.