The CP-24 is one of Caline's best selling pedals and the CP-81 is a new and improved version of it. It has higher quality components as well as a volume control and two outputs instead of one for running two separate signal chains. Seems to be influenced by the MXR ten band but available at a fraction of the cost. Durable metal enclosure and takes 9v power / battery. Caline 10 band EQ. Volume and gain control. 31.25, 62.5, 125, 250, 1k, 4k, 8k, 16k 2 outputs. Upgrade from the best selling CP24. 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 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.