Feature:
Input : 100V-240V 50/60Hz
Output : DC 5V 2A / 2000mA 
Out put adaptor jack size : 2.5mm  x  0.7--0.8mm
the adapters Connector  inside positive (+)  outside  negative (-)
To provide 12 months warranty   
pack: 1pcs  Power Supply

Package included:
1 x Power Supply Adapter