Description :

AC 100-240V Converter Adapter DC 3V 1A 3W Power Supply 5.5mm x 2.1mm

Power Supply with LED indicator
The adapters connector  inside positive (+) outside negative (-)

Specification : 

Input : 100V-240V 50/60Hz
Output : DC 3V 1A / 1000mA  3W
Plug style : EU plug/ Uk plug/ US plug for option.
Out put adaptor jack size : 5.5mm x 2.1mm
Length of the cable : 110CM
 

Package includes : 

1 x 3V 1A Power Supply Adapter
 

Details pictures :