Description :

XY-309 Adjustable Voltage Regulator Adapter 1000mA 1.5V 3V 4.5V 6V 9V 12V 1A

Features : 

Quality imported materials， IC LM317 Regulator circuit protection and electronic filtering to ensure voltage stability， Its effects and the use of batteries peer， The output voltage can choose ， positive and negative can be converted .

Specification : 

Model : XY-309
Function : InputAC150-240V 50 / 60Hz
Output : DC1.5V 3V 4.5V 6V 9V 12V adjustable ~ 1A

Package includes :  

1 x XY-309 Adjustable Voltage Regulator Adapter
Comes with a mini plug adapter according to your country for you :)
 

Details pictures :