Sorry, that product is no longer available. But here are other great products for you to choose from.
VS-2112-PRO+ 12-channel 2-bay HDMI Local Display Tower NVR
The Vivotek AM-526 is a pendant mount adapter with 3/4" NPT.
The Vivotek AM-219 is a mount bracket for AI-104/105 series IR illuminators.
The Vivotek AM-525 (V1) is a mounting adapter for outdoor dome.
The Vivotek AM-51C (V1) is an adapter plate for 4" electrical box & single gang box.
The Vivotek AM-527 (V1) is an indoor mounting adapter.
The Vivotek AM-514 (V1) is an adapter plate for 4" electrical box & single gang box.
The Vivotek AM-520_V03 is an outdoor/indoor adapter with 3/4" NPT female connector.