From Manufacturer
In gray, the EDGE Base Water Housing for Nikon Z7 II, Z6 II, Z7, and Z6 from AquaTech allows you to take your camera down to 33' underwater. This base version of the housing comes with a camera plate and can be upgraded with an optional side handle. It offers dual shutter buttons and a zoom dial. The zoom dial requires a compatible zoom gear from AquaTech, sold separately. The housing is lightweight, made mainly of glass-filled polycarbonate.