Description: Features: 100% brand new and high quality. High quality plastic holder. Small size, easy to carry. Both convenient and functional. 1x AAA battery can replace 1x AA battery to use. Keep your batteries organized and protected. Specifications: Item Type: Battery Adapter Converter Case Holder Material: PP Color: (Translucent color) White/Yellow/Green/Blue/Purple (Optional) Size: (HDia) (Approx.) AAA To AA: 4.81.2cm/1.890.47in Quantity: 1 PC (other accessories demo in the picture is not included) 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 AAA To AA Battery Adapter Converter Case Holder (The battery is not included) (No retail package)