Feature:1. Accurate Design: This battery cover is designed to be accurately shaped and sized and your camera can work properly after the cover is installed correctly.2. Non Original: This battery door cover is manufactured by a third party and is not an original product, but it works just as well as an original product.3. Premium Material: This battery lid cap is made of premium plastic and metal which is well made, durable and has long service life.4. Easy to Install: This camera battery door cover is easy to install, and it is also lightweight that even children can finish installation.5. Perfectly Suitable: This battery compartment replacement cover is suitable for Nikon D850 cameras which can be perfectly matched with this camera battery.Specification:Item Type: Battery Door CoverGross Weight: 6g/0.21ozMaterial: Plastic and metalApplicable: Nikon D850 Camera.Package List:1 xBattery Door Cover