Arkon?s CMPHD006 Heavy-Duty Aluminum Mount with 8? Multi-Angle Arm and 4-Hole AMPS Drill Base is designed for installations where mounting a camera to a wall or other flat solid surface (including car dashboards) is desired. The mount base uses a 4-Hole AMPS pattern to attach to the wall (screws are included) or other surface. (Formerly an industry standard, the 4-Hole AMPS pattern consists of four holes located in a rectangular pattern spaced at 30.17mm by 38.05mm, measured as the center-to-center distance between holes) CMPHD006 offers a 1/4?-20 mounting bolt for attaching compatible cameras, such as close-circuit television (CCTV) or security cameras, in-vehicle camera systems, POV cameras, point-and-shoot cameras, camcorders, or any device with a 1/4?-20 threaded mounting pattern. This mount includes Arkon?s Heavy-Duty Aluminum Mount with 8? Multi-Angle Arm and 4-Hole AMPS Drill Base. This sturdy 8?mount features three adjustment knobs at 2.5? intervals on the mount arm for easy positioning. Two additional 180° adjustment points at both the top and bottom of the mount provide additional flexibility in positioning the camera.