ITEM NAME:DIY Battery Holder 8x AA Storage Case DC 12V Switch Lead Wire 2.1mm x 5.5mm Plug Description Features: High quality plastic holder Small size, easy to carry Can hold 8pcs standard AA batteries, either for alkaline or rechargeable batteries Support 8pcs of AA battery to make 12V (battery not included) With cover and ON/OFF switch Be used as a perfect external power source Specification: Battery type: AA Plug: 2.1mm x 5.5mm Material: high quality plastic Size: approx. 12.7 x 7.1 x 1.9cm Color: Black Package included: 1pc x AA Battery Holder ( Batteries are not included) Note: Please allow 1-10mm deviation due to manual measurement. Due to light and screen difference, the item's color may be slightly different from the pictures..Support 8pcs of AA battery to make 12V (battery not included). Battery type: AA. High quality plastic holder. With cover and ON/OFF switch. Plug: 2.1mm x 5.5mm. Due to light and screen difference, the item's color may be slightly different from the pictures.