Description: Features: Please adjust the voltage before use,Replace 2 to 8pcs 1.5V AAA battery power supply cord,This eliminates the need for 2 to 8pcs 1.5V AAA batteries,green dummy battery is conductor,no power,AAA Fake batteries cannot be used in parallel, only in series. if your device needs 2pcs AAA battery,please choose 3V gear,and use 1pc AAA dummy battery,if your device needs 3pcs AAA battery,please choose 4.5V gear,use 2pcs AAA dummy battery,and so on,6V=4AAA Batteries, and so on. Solutions To Save Battery Costs:AAA battery power supply adapter kit is suitable for devices using 2AAA, 3AAA, 4AAA, 5AAA, 6AAA, 8AAA batteries, and adjust the 3V to 12V voltage according to different devices. Suitable for Camera,Flashlights,controller,Radio,electric toy,fan, holiday lights,Clocks,luminara candles,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 Power supply,you don'for t need to buy a lot of replacement batteries when the batteries run out,saving you more for time and money. If it cannot be used after installation, please check whether the dummy battery is installed in the wrong direction and whether the voltage matches the product. Specifications: Color: Black Material: Plastic Model: AAA Power Cable length: 110cm Input: AC 100V-240V 0.2A/50-60Hz for DC Output: for DC 3V 4.5V 5V 6V 7.5V 9V 12V (3-12V adjustment) Max:1.2A Plug: US plug 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 US Plug AAA Battery Eliminator 1x Tool 7x Dummy AAA battery