There's nothing more exciting for guitarists than finding a good pedal. This Blues Distortion Pedal must enrich your musical experience.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, LevelAluminum 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(neither included).SpecificationsInput Impedance: 500kohmOutput Impedance: 150 ohmRecommended Load Impedance: 10 kohmEquival Input Noise: -90 dBu or lessPower supply: DC 9V battery or AC adapter (neither included)Current draw: 5.5 mA (DC 9V)Product size: 11.5 * 6.5 * 5cm / 4.5 * 2.6 * 2inProduct weight: 238g / 8.4ozPackage size: 14 * 9 * 7cm / 5.5 * 3.5 * 2.8inPackage weight: 285g / 10ozPackage List:1 * Blues Distortion Pedal1 * User Manual (English & Chinese)