Item Type: Vintage Overdrive Pedal_x000D_ Color: Black_x000D_ Material: Metal_x000D_ Input Impedance: 1M_x000D_ Output Impedance: 1K_x000D_ Working Current: 6mA_x000D_ Product Power Supply Mode: 1 x 9V battery 6F22(not included) or 9V DC power adapter(not included) 1RICH BORDERING ON DISTORTION: Providing you with a rich experience close to the distortion of the overspeed level, beyond the functions that the diode tube amplifier can provide 2NO OBVIOUS BACKGROUND NOISE: This pedal is easy to use, and there is no obvious background noise. This is a great feedback, effortlessly picking out the natural harmonic of the guitar 3HIGH AND LOW SWITCHES: High and low switches will give you extra stimulation without having to change your settings 4CLASSIC PAINT FINISH: Adopt classic paint finish, firm and stable, equipped with a small LED flash to indicate working status 5EXCELLENT PERFORMANCE: Input impedance is 1M, output impedance is 1K, this effect pedal come with excellent performance 1 x Vintage Overdrive Pedal 1 x User Manual