Features:- Built-in FET transistor and tube distortion simulation.- High gain distortion, low power consumption.- True bypass design, minimize tone loss and get more control of your pedal.- 3 adjustable knobs, gain, tone, level.- Aluminum alloy housing, sturdy and durable.- Durable jacks and foot switch.- Designed with on / off LED, instructs effects status.- Powered by a 9V AC power adapter or 9V battery.Input Impedance: 500 kohmOutput Impedance: 150 ohmRecommended Load Impedance: 10 kohmEquival Input Noise: -90 dbu or lessPower Supply: DC 9V battery or AC adapterCurrent Draw: 5.5 ma (DC 9V)Package Weight : 340 G / 11.99 OuncesPackage Dimensions (L*W*H) : 143*92*72 MM / 5.63*3.62*2.83 InchesRetail Packaging: Yes, General BoxPackage Include:1 x Blue Distortion Pedal1 x Battery1 x User Manual