VIVOTEK, AM-529, Mounting Adapter, For Use With: SD9361-EHL, SD9362-EH, SD9362-EHL, SD9363-EHL, SD9364-EH, SD9364-EHL, SD9365-EHL, SD9366-EH, SD9362-EH-V2, SD9363-EHL-V2, SD9364-EH-V2, SD9364-EHL-V2, SD9366-EHL, SD9366-EH-V2, SD9374-EHL, MA8391-ETV, MA9321-EHTV, MA9322-EHTV, MA9322-EHTVL, MA9322-EHTV-V2, Specifications: 3/4 in NPT Female and 1-1/2 in PS Male Pipe Thread, Aluminum Alloy, White, 154 mm Dia x 72 mm H Dimensions,