Based on the reliable Dyna Compressor, the mixture range of the Level and Comp controls can vary the sound from heavy compression to just a tiny hint. Having this pedal as part of your board will give an impressive tight signal and a richness to your overall sound. Inexpensive but good quality. Strong alloy casing. Level and compression controls. True bypass; Low level noise. Specifications: Brand: Dolamo Model: D-1 Material: Alloy materials Color: White Working Current: 30mA Working Voltage: DC 9V Item Size: 9.7 * 6.6 * 4.7cm / 3.8 * 2.6 * 1.9inch Item Weight: 195g / 6.9oz Package Size: 11 * 7.5 * 4.9cm / 4.3 * 3 * 1.9inch Package Weight: 215g / 7.6oz Packing List: 1 * Dolamo D-1 Compressor Guitar Effect Pedal Note: Power supply not included. Please use a 9V DC power adapter whose polarity is negative centre 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 *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.