Features: 1.[EASY CONTROL] High gain distortion guitar pedal, through a full range of EQ adjustment and tone control, you can get any sound you want. 2.[VERSATILE PEDAL] This is a versatile distortion effect pedal, from a small blues rock crunch to a full scale growl distortion. 3.[SAFE OPERATION] When used with a single coil at a lower gain setting, it must be checked multiple times to ensure that the old overdrive gear is not stepped in. 4.[WITH LED LIGHT] Equipped with small LED flash to indicate the working status, the running status is clear at a glance. 5.[METAL SHELL] The shell is made of metal material, which is hard and wear resistant and can be used for a long time. specification:Item Type: High Gain Distortion Effect Colour: Black Material: Metal Input Impedance: 500K Output Impedance: 10K Working Current: 11mA Power Supply Mode: 1 x 9V battery 6F22 (not included), or 9V DC power adapter (not included) PackageList:1 x Effect 1 x User Manual