This is the Cordovox RV-8 stereo reverb pedal. There are 3 switchable modes for your selection. Choose from Spring, Hall or Room reverb simulations, for all your applications. This is a very nice performer. Cordovox series Pedals are made from stainless steel case and with mirror surface treatment which is beautiful and elegant. Every pedal of Cordovox series adopts the WIMA capacitance from Germany which is fast speed and low loss, with pure timbre. Besides, all the Tonefancier pedals use high-quality metal sealed potentiometer, which work in the dust-free environment to ensure the long-life run. The power adapter and battery are not included