Features: brand new and high quality Replace 1 to 8pcs 1.5V LR6 AM3 AA battery USB power supply cord,This eliminates the need for 1 to 8pcs 1.5V LR6 AM-3 AA batteries,Dummy battery as conductor,no power,with output voltage display,easy to use,reuse design. No Need To Change Battery Frequently: With this AA battery eliminator USB cable,you don't need to buy more replacement batteries when the batteries run out,saving your money. Press the button to change voltage,with ON/OFF Switch,come with 7 Dummy battery. This eliminates the need for 1-8 pcs 1.5V AA batteries. Suitable for Radio,electric toy, holiday LED lights,Clocks,Calculator,power remote controller, keyboard,Electronic door lock and more AA Battery power supply devices,Suitable for 1.5V 3V 4.5V 6V 7.5V 9V 12V and more 1.5V-12V AA Battery Powered device. Power supply from USB charger,powerbanks,car charger and more USB adapter,input USB 5V2A,output DC1.5V to 12V adjustable. Specifications: Input Voltage: USB 5V 2A Output Voltage: DC1.5V to 12V(can adjustable voltage),6W Cable Length: Approx. 120cm/47.2inch Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 X USB adjustable voltage Cable with display 7 X Dummy battery