Dahua DH-AC-PFA111, Mount Adapter, Aluminum, Pipe Thread Size G1 1/2" / 13 mm, Designed for select network and HD-CVI PTZ cameras, G1 1/2" pipe thread, Aluminium construction. The white PFA111 from Dahua Technology is an aluminum mount adapter for select network and HD-CVI PTZ cameras. It has a 15.4 lb load-bearing capacity.