Features: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 pedalboardThe 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 exquisite,full metal shell, portable and durable. Specifications: A/B/Y Jack: 1/4' monaural jackColor: BlackCurrent Draw: 8 mAPower Supply: AC adapter 9V DC (center minus plug)(not included)Package Size: 12 * 7* 6cm/ 4.7 * 2.8 * 2.4inPackage Weight: 190g / 6.7oz Note:Power adapter is not included.Please use the 9V power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly. Package Includes:1 * Guitar Effect Pedal1 * User Manual(English)