Description: Features: Please adjust the voltage before use,Replace 2 to 8pcs 1.5V AA battery power supply cord,This eliminates the need for 2 to 8pcs 1.5V AA batteries,green dummy battery is conductor,no power,AA Fake batteries cannot be used in parallel, only in series. if your device needs 2pcs AA battery,please choose 3V gear,and use 1pc AA dummy battery,if your device needs 3pcs AA battery,please choose 4.5V gear,use 2pcs AA dummy battery,and so on,6V=4AA Batteries, and so on. 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 AA Battery power supply devices No Need To Change Battery Frequently: With this AA 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: AA 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: UK plug Size: 66.1x43.2x63mm 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 UK Plug Battery Eliminator 1x Tool 7x Dummy battery