What's in the box:

AROMA AOS-3 Octpus Polyphonic Octave Electric Guitar Effect Pedal Mini Single Effect with True Bypass

Features:
Full metal shell, durable and exquisite.
3 controlling knobs and 1 switch are accurate and high sensitive.
Oct1 knob: Adjust the volume of the first voice of octave.
Oct2 knob: Adjust the volume of the second voice of octave.
Dry knob: Adjust the volume of dry signal.
Mode switch: Switch between top(+1 OCT and +2 OCT), both(-1 OCT and +1 OCT) and bottom(-1 OCT and -2 OCT) mode.
Output jack: 1/4" mono audio jack for signal output.
Input jack: 1/4" mono audio jack for connecting guitar.
True bypass footswitch and lever designed to prevent stamping on operation knobs.

Specifications:
Model: AROMA AOS-3
Effect: Polyphonic Octave
Material: Aluminium Alloy
Input Impedance: 470K Ohms
Output Impedance: 100 Ohms
Current Draw: 68 mA
Power supply: AC Adapter 9V DC (not included)
Item Size: 9 * 3.8 * 4.8cm / 3.5 * 1.5 * 1.8in
Item Weight: 151g / 5.3oz
Package Size: 12 * 7 * 6.5cm / 4.7 * 2.7 * 2.5in
Package Weight: 246g / 8.6oz

Package List:
1 * Guitar Effect Pedal
2 * Adhesive Tape
1 * User Manual (English & Chinese)
1 * Hardcover Box