Features: Replace 1 to 8pcs 1.5V LR6 AM3 AA battery AC-DC power supply cord,This eliminates the need for 1 to 8pc 1.5V LR6 AM-3 AA batteries,fake battery as conductor,without power,easy to use,reuses design. No Need To Change Battery Frequently: With this AA battery eliminator ,you don't need to buy more replacement batteries when the batteries run out,saving your money. Press the AC-DC adapter button to change voltage,(USB Fake battery output is 1.5V can not change voltage),with Switchs,come with 7 fake battery. This eliminates the need for 1-8 pc 1.5V AA batteries. Suitable for Radio,electric toy, holiday LED lights,Clocks,Calculator,power remote controller,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 to 12V AA Battery Powered device. 2-in-1 design,AC-DC AA fake battery output is 3V 4.5V 5V 6V 7.5V 9V12V ,USB fake battery output is 1.5V,can power 2 AA devices. Specifications: Input Voltage: AC100-240V 0.25A 50/60Hz Output Voltage: DC3V to 12V(can adjustable voltage) Cable Length: Approx. 88cm,96cm 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 AC-DC adjustable voltage adapter 1 X USB to 1.5V cable 7 X AA Fake battery