2pcs Holder Black Cylindrical AAA Plastic Holder Adapter for Cas Features: Suitable for 3 AAA For Flashlight Torch. Connect three AAA batteries together in Series and output 4.5V voltage. The metal column in the positive can be bounced to most fit the device. frame has good heat resistance. Spring is in good resistance and long service life. Specifications: voltag: 4.5V Material: ABS Plastic+Metal Size: 52.3x21.7mm/2.06x0.85inches Package Includes: 1 Pair Holder note: Please allow 1-3cm error due to manual measurement. pls 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.