Joyo Pedal, Black, 2.9 x 1.7 x 2 inches (JF-317) Decay, Tone, Mode Selection, Mix ratio of wet and dry. True Bypass Input Impedance:1m Ohm Output Impedance:100 Ohm Running Current 22mA Power: DC 9V adapter (negative polarity) Dimensions 73(L) * 43(W)* 50(H)mm Plug in 9v DC Adapter (not included) JF-317 Space Verb Digital Reverb, NEW mini Guitar effects pedals from JOYO.