Rat Distortion,Big Boost- Guitar Effect Pedal Based on Pro Co Rat DistortionAbout The Super RAT:The SUPER RAT is based on the Pro Co RAT Distortion Pedal , IC :LM308And Improvements based on the circuit adds two effects , Use a three-position toggle switch to change the effects: classic rat ,big boost ,turbo rat.So it can use as distortion ,boost ,preamp,Colour: Blackmaterial: metalOne three-position switch:C- classic rat distortion ,B- big boost ,T- turbo rat distortion.Tone( Filter) controlGain(Distortion)controlVolume controlTrue bypass switch100% analog signal pathOn/Off LED indicatorDimensions (W/D/H): 112mm X 65mm X 38mmWeight: 0.6 lbs. (280g) Consumption: 9VDC/10mABattery Type: 9VDC x 1Input Impedance: 500k ohm (min)Output Impedance: 10k ohmPackage Contents:1 * Effect PedalOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.