?Features:
US plug£¬ AC 100-240V input.
DC 9V output for power supply.
Connector is inside positive(+) outside negative(-).
The cable is about 2m.
Lightweight and portable.
Great for guitar pedal£¬ electric keyboard or other devices.

Specifications:
Input: 100-240V 50/60Hz 0.2A
Output: 9V 0.5A
Plug: US
Connector inner diameter:2.1mm
Connector outer diameter:5.5mm
Connector length: 11.0mm
Connector electrode: inside positive(+) outside negative(-)
Cable length: Approx. 2m / 6.6ft
Item size: 6 * 3.5 * 2cm / 2.4 * 1.4 * 0.8in
Item weight: 65g / 2.3oz
Package size: 10 * 7 * 3cm / 4 * 2.8 * 1.2in
Package weight: 67g / 2.4oz

Package list:
1 * Power Adapter