T-Rex Nitros, hypergain distortion pedal for electric guitar w/ 3-band eq, gain control, level control, bass control, mid control, treble control, on/off switch with LED status, punchy, jack input & output, fet-bypass low noise switching & buffering capabilities, DC input (center negative, 32 mA consumption) for 9V DC power supply (not included, optional power supply #108096), works also with 9V battery (4-5 hour, not included), pedal size Incl. knobs (W x H x D) 60 x 50 x 115 mm