Light my bricks AA batteries pack

This AA battery pack features a connected USB port, allowing you to plug in your USB power cable and power your LEGO lighting components. It requires 3x AA batteries. Use this Light my Bricks AA battery pack when you are trying to power more than 20 individual LEDs. The dimensions of the AA battery pack are 68 mm x 47 mm x 17 mm. The attached connection cable is approximately 5 cm long. AA batteries are not included in this package. Light my Bricks offers LEGO fans an easy way to enhance their LEGO models with LED lights. All components in the Light my Bricks sets are plug-and-play compatible—no electronics knowledge is required for installation. Light my Bricks parts are small and delicate enough to fit between and under LEGO bricks.