Kenuco White 4.75" Camera Base Junction Outlet Box for Adjustable Lens Eyeball Turret Dome CCTV Security Cameras Fits most big (VariFocal Adjustable) dome style cameras (121mm / 4.75in Diameter). Perfect for hiding wires and connectors. Waterproof design for 2.8-12mm lens dome security cameras (2) 3/4" outlets for conduit piping Rear/Bottom access to pass cabling through Aluminum Alloy