Product Features: Foot-switch toggle controlling on/off condition. Single knob control to adjust the degree of compressor sensitivity. Lightweight, portable and big sound. Based on the *** dyna compressor. Run a cable from your guitar to the Dyna Comp's input jack and run another cable from the Dyna Comp output jack to your amplifier. The light flashing when working. True bypass in order to protect signal integrity when the pedal is not engaged.  
Specifications:  Color: Orange Input Impedance: 1M ohm Output Impedance: 10K ohm Working Current: 20mA Power Supply: DC 9V AC adapter (center minus plug)(not included) Package Size: 12 * 7* 6cm/ 4.7 * 2.8 * 2.4in Package Weight: 170g / 6.0oz  
Note: Power adapter is not included.  
Package Includes:   

1 * Guitar Effect Pedal    

Very small and exquisite

Full Metal Shell

True bypass

Specifications

Input: 1/4” monaural jack (impedance: 1M Ohms)

Output: 1/4” monaural jack (impedance: 470 Ohms)

Power Requirements: AC adapter 9V DC (center minus plug)

Current Draw: 40 mA

Dimensions: 93.5mm (D) × 42mm (W) × 52mm (H)

Weight:160g

Accessories: Owner’s Manual

• Note:
  Power supply not included.
  Please use a 9V DC power adapter whose polarity is negative centre otherwise, the product may not work properly.
  
  Package List:
  1 * Effect Pedal
  1 * User Manual(English & Chinese)