From mfg's website: 

The go-to mount for installers looking to wall mount a VX camera. 

The CE-VXWB features a powder-coated aluminum housing that mounts to a 

4″ Square Box pattern.

Compatible with all Vandal X Dome Cameras

Mounts to a 4″ Square Conduit Box or Solid Surface

Replaces the Outer Case for a Sleek Look

Includes Mounting Screws

Product Dimensions (At Base)

7.41″ (D) x 4.33″ (H) x 4.33″ (W)

188.21mm (D) x 109.98mm (H) x 109.98mm (W)

Product Weight

1.15 lbs (521.631 g)