It contains a traditional circuit, but is powered by a standard EHX9.6-200mA power supply (included) or by a 9V battery. It has two modes: Filter Matrix (ringing effect) and Flanger (flanger sound). You can also adjust both modes with the Color, Range and Rate potentiometers. The effect is of course True Bypass, it is equipped with one foot switch and LED. In addition, it has a built-in 6.3mm input jack connector, a 6.3mm original audio output jack and a 6.3mm effect audio output jack. Dimensions: 102mm x 121mm x 89mm