3 way toggle switch allows you to choose from a hi boost? low boost and off boost. Additional shaping is achieved using the gain and tone controls.You can use the Lo and off boost positions to get a great rhythm tone. In this position play with the tone and gain knobs to recreate tones from yourfavorite bands or uniquely create your own sound. Then switch it into Hi-Boost for a face melting solo.

Features:
Whole aluminium-alloy chassis? stable and strong.
Entirely gaining and boosting the distortion degree of metal.
The special and strong distortion effect.
3 controlling knobs and 1 switch are accurate and high sensitive.
Distortion knob for mixture of distortion degree.
Tone knob for brightness of tone.
Volume knob for adjust volume of distortion sound.
3 way switch for high boost? boost off and low boost.
LED light up when working.
Output and input jack of 1/4" audio jack.
True bypass in order to protect signal integrity when the pedal is not engaged.

Specifications:
Material: Aluminium Alloy
Color: Black`
Effect: Distortion
Input Impedance: 1M Ohms
Output Impedance: 470 Ohms
Working Current: 25 mA
Power Supply: 9V DC Adapter (not included)
Item Size: 9.5 * 4 * 3cm / 3.7 * 1.5 * 1.2in
Item Weight: 155g / 5.4oz
Package Size: 12 * 6.5 * 6.5cm / 4.7 * 2.6 * 2.6in
Package Weight: 224g / 7.9oz

Package List:
1 * Guitar effect pedal
1 * Hardcover box
1 * User manual(English & Chinese)