Specifications: Designed for Xbox 360 controllers. Hold 2 AA batteries (not included). Meticulously crafted surface. Match with your controller perfectly and the built-in conductive copper pieces come with electrodeposition which will never rust. Type: Battery Cover Case Material: Plastic Color: Black Compatible with: for Xbox 360 Controller Size: 5.5cm x 3.5cm x 1.8cm/2.17" x 1.38" x 0.71" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Battery Cover Case for Xbox 360 Controller #Case #Aa #Shells #Battery #Durable #Backs #Kit #Controller #Tool #Pack