Feature: 1. APPLICABLE MODEL: Battery door cover lid cap is compatible with for D3100 battery cover, camera repair parts, please confirm the camera model before use. Made of premium ABS and metal materials, strong, stable and firm, can extend the service life of the camera. 2. STABLE PERFORMANCE: Camera battery door cover lid cap is factory tested and qualified before leaving the factory, stable performance, can be used with confidence. 3. PERFECT FIT: Camera battery door cover shape and size design is precise, the battery compartment cover can be used normally after correct installation. 4. THIRD PARTY PRODUCTS: The battery compartment cover is a new third party product, not the original product, but with the same function. It can be used as a perfect replacement or spare battery door cover for camera battery door cover. 5. EASY TO INSTALL: Camera battery door chamber cover lid is quick to remove and install, fused with the body design, simple design and easy to operate. Portable and lightweight, easy to carry and store. Specification: Item Type: Camera Battery Door Cover Lid Cap Product Material: ABS, Metal. Package List: 1 x Camera Battery Door Cover Lid Cap