Features: - Decay, Tone, Mode Selection, and Mix ratio of wet and dry; 4 controlling knobs are accurate and sensitive.- Provide four kinds of classic and practical reverb modefor you - rooms, halls, churches, steel plate, which gives you ultimate contrl of your reverb.- Great timbre from Joyo Audio. Whether you access it directly into the mixer, preamp audio interface, or a guitar amp, it will have a good performance. - True Bypass Construction. True bypass design can minimize the tone loss.Notice: The included battery will be taken out because of the Air Shipping Policy for safety.Type: EffectsInput Impedance: 1MOutput Impedance: 100Running Current: 22mAPower: DC 9V Adapter ( Negative Center )(NOT INCLUDED)Package Weight : 303 G / 10.69 OuncesPackage Dimensions (L*W*H) : 120*90*80 MM / 4.72*3.54*3.15 InchesRetail Packaging: Yes, General BoxPackage Include:1x Effect Pedal