: Features: Replace 1 to 4pcs LR03 AAA battery power supply cord,This eliminates the need for 1 to 4pcs 1.5V LR03 AAA batteries,2in1 design,can powered 2pc AAA devices at the same for time. If your device need 1pc battery,please choose 1.5V version,If your device need 3pcs battery,please choose 4.5V version,green dummy battery is conductor,no power,AAA is 1.5V,2AAA is 3V,3AAA is 4.5V,4AAA is 6V. Suitable for Radio,electric toy, holiday LED lights,Clocks,luminara candles,fan,Household Electric,Walkie talkie,Calculator,power remote controller, keyboard, Christmas advent calendar display,Walkman and more AAA Battery power supply devices No Need To Change Battery Frequently: With this AAA battery eliminator USB cable,you don'for t need to buy a lot of replacement batteries when the batteries run out,saving you more for time and money. Power supply from USB charger,USB power bank,car USB charger and more USB adapter,come with EU Plug USB Power Adapter,easy to use. Some mobile power bank sources have an automatic power-off function, and the output current of 90mA will automatically power off. It is recommended to use wall USB Adapter. 3V with two dummy fake battery,4.5V with four dummy fake battery,6V with six dummy fake battery(as conductor,no power ) AAA Fake batteries cannot be used in parallel, only in series,Can not be mixed with a real AAA battery. Specifications: Color: Black Material: Plastic Power Cable length: 100cm/39.3inch EU adapter input: AC 100-240V 50-60Hz, USB output: for DC 5V 2A Dummy battery output: for DC 1.5V/1.5A,3V/1.5A,4.5V/1.2A,6V/1A(optional) 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: 1x USB to AAA Battery Eliminator Cord 1x EU Power Adapter