The comprehensive channel switch pedal, can switch the one way signal to two different outputs, applicable for the circuit of instrument, amplifier, speaker (be sure to use speaker cable) and pedalboard The design of mode-choosing switch, which enables A, B channels transfer from respectively to simultaneously In both modes, ABY can be used in both positive and negative directions, the signal path can flow from A/B to Y, or from Y to A/B Can work without power supply (LED will not light up) =========================================== SHIPPING USA DOMESTIC SHIPPING: We offer USPS FREE STANDARD SHIPPING (5 – 9 days) on orders from anywhere in the United States! CANADIAN SHIPPING - DOMESTIC: We offer Canada Post Expedited Parcel (3 – 7 days) on orders from anywhere in Canada. Canadian orders will be shipped from Canada so no customs/duties apply INTERNATIONAL SHIPPING: We offer STANDARD SHIPPING (2 – 6 Weeks), Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. FEEDBACK We strive for a hassle-free shopping experience and encourage you to contact us when you need more information. Don’t hesitate to contact us via messaging if you have any questions or require more information. Let us know how we are doing. We appreciate your feedback! THANK YOU