VIVOTEK, AM-52E, Mounting Adapter, For Use With: IT9389-H, IT9389-HT, IT9360-H, IT9380-H, IT9388-HT, FD9360-H, FD9380-H, FD9369, FD9383-HV, IT9383-H(T)VW, FD9199-H, FD9189-H-V3, Specifications: 3/4 in NPT Female and 1-1/2 in PS Male Pipe Thread, Aluminum Alloy, White, 115 mm Dia x 41.5 mm H Dimensions,