Made of environmentally friendly material; Small, easy to carry Good processing, standby specification can use 1xAAA battery replacement AA battery Both convenient and functional; Great strength and strong tenacity It is battery limit slot, the battery can be fixed in a good place Nothing complicated, just stick the AAA battery into the converter and it is the same as an AA battery Color: Translucent Material: Plastic Size: about. 5 x 0.9 x 1.3 cm (H x Inner D x Outer D) AAA to AA Battery Holder is a gadget to be close to home, at home, at the office, at the campsite, etc Included:12 x AAA to AA Cell Battery Size Converter Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.