Description The Nikon UF-4 Connector Cover is designed to protect the UC-E22 USB 3.0 cable when it is attached to the camera, and to prevent it from being pulled free during use. It is compatible with the Nikon D810 DSLR. Features Protects Attached UC-E22 USB Cable Prevents Cable from Being Pulled Free Compatible with Nikon D810 DSLR Contents Limited 1-Year Warranty