Feature:  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 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.  With true bypass footswitch and LED indicator light; Can work without power supply (LED will not light up).  Micro size and full metal shell, portable and durable.     Specifications:  Material: Metal;  A/B/Y Jack: 1/4" monaural jack;  Power Supply: DC 9V adapter (center minus plug)(not included);  Working Current: 8mA;  Item Size: Approx. 3.5 * 9 * 3cm / 1.4 * 3.5 * 1.2in;  Item Weight: Approx. 150g / 5.3oz.     Package List:  1 * Effect PedalL  1 * User manual.