Electro-Harmonix 720 Stereo Looper Pedal 12 minutes of recording time. 10 independent loops. Stop, Undo-Redo, Reverse and Half-speed effects at the touch of a button. Loop fadeout (trails) mode. Stereo in/out for enhanced usability... record two instruments at once. Silent footswitches. Foot controller input lets you use popular 3 button foot controllers (optional) to change a bank up or down and gives access to instant Undo-Redo. modern sound Comes with an EHX 9.6DC/200 AC Adapter, also runs on 9V battery and provides extra long battery life. PSU, also works with 9V battery (not included); Kindly find the signal flow diagram on Technical Specification