Behringer Ring Stinger; Effects Pedal for Electric Guitar & Bass; Ring Modulation and Fuzz; Expression Pedal control of various parameters; LFO (Low-Frequency Oscillator): Provides rhythmic modulation patterns; Blend Control balances the dry and modulated signals; different modulation waveform options; Controls: Depth / Manual, Rate, VCO Freq., Drive(I), Timbre, Blend; Switches: LFO, VCO; LED: Effect On; Footswitches: Effect Bypass, LFO (Unlock), Oct./Ring; Connections: Input (1/4" Jack), Output (1/4" Jack); Power Supply connector: Barrel Connector 5.5 x 2.1 mm, center negative; Current Draw: 400 mA; powered by a 9 V DC Power Supply (included); True Bypass; Dimensions: (W x D x H): 201 x 150 x 64 mm (7,9" x 5,9" x 2,5"); Weight: 1087 g (2,4 lbs); Note: Battery operation is not supported