The Donner Compressor Pedal, Ultimate Comp Is A 2-Mode, Pure Analog Compression Product Details [Versatile Compressor Pedal] With switchable Normal/Treble compression modes, Ultimate Comp can cater to different types of tone or playing. [Flexible Effect Pedal] Dial in your desired sound with Level, Comp, Tone knobs. Suitable for both vintage and modern players. [Inspired By Classics] Donner Ultimate Comp reproduce the iconic smooth, warm compression sound with high quality electronic components and circuit. [Durable Guitar Pedal] Aluminium-alloy classic, stable and strong. True bypass provides transparent tone. Notice: Power supply is NOT included. Runs on 9V DC. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.