Stagg Blaxx Metal Compact Guitar Pedal. 3-mode 'Metal' guitar effect pedal Sturdy die-cast metal housing - True bypass - Heavy duty on/off footswitch and LED indicator - Controls for: Distortion / Tone / Volume - Metal mode switch: Hi Boost / Boost Cut / Lo Boost - 1/4" jack input and output - 9V DC power supply required (not included) or 9V battery with adaptor (not included) - Weight: 240g / 8.46oz - Dimensions: (D) 95mm / 3.74" x (W) 45mm / 1.77" x (H) 48mm / 1.89"