Features: new and high quality Input:5V .Output: 3V. Replace 2pcs AAA battery power supply cord. No Need to Change Battery Frequently: With this AAA battery Eliminators USB cable,you don't need to buy replacement batteries when the batteries run out,saving you time and money. Power supply from USB charger,car charger and more USB adapter. This eliminates the need for 2pcs 1.5V AAA batteries. Suitable for Radio,electric toy, holiday LED lights, Clocks, Calculator,power remote controller, keyboard,Electronic door lock,and more AAA Battery power supply devices. Specifications: Input USB: 5V Output: 3V (2x1.5V) LR03 AAA Line length: approx. 100cm / 39inch, 200cm/78.74inch(optional) Note: No retail package. Please allow 0-1cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1Set Battery Eliminate Cable