What's in the box:

9V AC/DC Power Adapter Corded Power Supply Charger (Black)

Features:
Corded power adapter for electric guitar amplifier.
Three types of plug for your option -- US plug, EU plug, UK plug.
Equipped with noise reducing magnetic ring for better sound quality.
Input voltage is 100-240V 50/60Hz, max input current is 0.3A; output voltage is 9V, output current is 0.5A.
The plug and adapter are separate and you can assemble them by yourself.

Specifications:
Model: ACD-006A
Color: black
Output: 9V 0.5A
Plug Types: US Plug / EU Plug / UK Plug (optional)
Cord Length: 145cm
Adapter Size: 6 * 3.6 * 3.5cm / 2.36 * 1.42 * 1.38in
Adapter Weight: 92g / 3.25oz
Package Size: 8.8 * 7.8 * 5.6cm / 3.46 * 3.07 * 2.2in
Package Weight: 123g / 4.34oz

Package List:
1 * power adapter