Main Features:- Full metal shell， rugged heavy-duty housing - 3 adjustable and high sensitive knobs for drive， tone and volume control- 1 switch for modes of SL and SH. SL is sleek for smooth and mellow tone effect， and SH is sharp for slightly sharp and melodious overdrive tone effect- 3 connectors of input jack， output jack and DC9V input- Efficient circuit design- LED light flashing when working- True bypass in order to protect signal integrity when the pedal is not engagedMaterial: Aluminum alloyEffect: Breath DelayBreath Delay Effect: It is a pedal effects that play retro warm and natural sound. it allows you hearing the old-fashioned style of audio as a tape machine produces.Input Impedance: 1m ohmsOutput Impedance: 1k ohmsPower Supply: DC 9V adapterColor: YellowSize:- Product Size: 65 x 120 x 35mm / 2.56 x 4.72 x 1.38inch- Package Size: 90 x 155 x 68mm / 3.54 x 6.10 x 2.68inchWeight:- Net Weight: 265g / 9.35oz / 0.58lb- Package Weight: 329g / 11.61oz / 0.73lbPackage Include:1 x Guitar Effect Pedal