Features: Combined effect pedal with 6 effects, including delay, chorus, distortion, overdrive, booster, buffer. With true bypass for eliminating any signal interference when all switched off.  Delay-- Natural sounding delay with the analog direct signal path, and supports dry/wet signal ratio(Level), delay feedback(Repeat) and delay time(Delay) controls.  Chorus-- Premium all-analog circuitry with bucket-brigade line. Rate and Depth knobs provide fine sound adjustment, create some fresh and extensive chorus effects.  Distortion-- Based on MXR distortion, the distortion pedal gives you magical classic distortion tones, and supports output volume(Level), and distortion amount(Distortion) controls.  Overdrive-- Gives you access to warm and amp-like overdrive that's touch sensitive, and supports output volume(Vol), frequency(Tone) and overdrive amount(Drive) controls.  Buffer & Booster-- knob=0: clean buffer, knob>0: clean boost. The buffer is an active electronic circuit that keeps your guitar signal strong and preserves the frequencies of your guitar sound. The buffer-booster offers excellent, stable buffering and a fantastic clean boost.   Specifications: Material: Metal;  Power Supply: DC 9V power adapter (not included);  Item Size: 23 * 6.8 * 3.8cm/ 9.1 * 2.7 * 1.5in;  Item Weight: 505g/ 17.8oz;  Package Size: 25.5 * 8 * 6.5cm/ 10 * 3.1 * 2.6in;  Package Weight: 585g/ 21oz;   Note: Power adapter is not included.  Please use the power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly.   1 * Effect Pedal 1 * User ManualManual