Features:
4-in-1 guitar effects pedal, distortion + overdrive + loop + delay.
Distortion: a high gain distortion sound,2 modes to choose, with Gain, Tone, Pres and Vol control knobs.
  Gain--Adjusts the amount of distortion; Pres--Adjusts the high frequency; Vol--Adjusts the output level;
  Tone--Adjusts the EQ. Clockwise is brighter, counter clockwise is darker.
Overdrive: Based on tube overdrive(ts9), with Drive, Tone and Level control knobs.
  Drive--Adjusts the amount of overdrive; Tone--Adjust the amount of treble in the sound; Level--Adjusts the output .
FX Loop: The SEND and RETURN jacks allows you to expand your board with other pedals. The FX LOOP point is between the overdrive and delay modules.
Delay: with Repeat, Delay and Level control knobs, 25ms-600ms adjustable delay .
  Level-- Sets the level of delayed signal mixed with guitar tone, there is only guitar signal when fully CCW, and loudest delay when fully CW;
  Delay-- Adjusts the delay from 25ms(fully CCW) to 600ms(fully CW);
  Repeat-- Adjusts the repeats of the delay signal,  repeat(fully CWW) and infinite feedback(fully CW)

Specifications:
Material: Metal
: 9V (not included)
Item Size: 19 * 12 * 3.5cm / 7.5 * 4.7 * 1.4in
Item Weight: 665g / 1.5lb
Package Size: 22.5 * 12 * 6cm / 8.9 * 4.7 * 2.4in
Package Weight: 740g / 1.6lb

Note:
is not included.
Please use the whose polarity is positive outside and negative inside. Otherwise, the product may not work properly.

Package List: I3219
1 * Effect Pedal