Electro Harmonix Oceans 11 Reverb, Effects Pedal for Electric Guitar, 11 Different reverb types: Hall, Spring, Plate, Revers, Echo, Trem, Mod, Dyna, Auro-INF, Shim and Poly, Tails Switch: Determines whether the reverb fades out naturally or stops immediately when the pedal is set to bypass, Easy access to powerful ""hidden"" parameters through the secondary controller mode, Can produce an infinite reverb that can be played over in most settings, Controls: EFX Level - Time - Tone, Mode switch, Reverb Type Switch, LED, Effect bypass, Connections: Input (6.3mm jack) - Output (6.3mm jack) - infinite foot switch input (6.3mm stereo jack) - 9 V DC power supply connection (barrel connector 5.5 x 2.1 mm - negative polarity inside), Power supply via 9 V DC power adapter (included), Dimensions (W x D x H): 114 x 70 x 53 mm@+*Note:* Battery operation is not possible.@+@+