Item Type: Battery Door Cover Gross Weight: 6g/0.21oz Material: Plastic and metal Applicable: Nikon D850 Camera Package List 1 x Battery Door Cover 1Accurate Design: This battery cover is designed to be accurately shaped and sized and your camera can work properly after the cover is installed correctly. 2Non 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. 3Premium Material: This battery lid cap is made of premium plastic and metal which is well made, durable and has long service life. 4Easy to Install: This camera battery door cover is easy to install, and it is also lightweight that even children can finish installation. 5Perfectly Suitable: This battery compartment replacement cover is suitable for Nikon D850 cameras which can be perfectly matched with this camera battery.