They work well for the cameras with weight they can withstand. It supports up to 5 lbs of weight. General standard size Not only good for Arlo camera, but also for CCTV or DVR or others camera with same interface. Compatible models: Arlo, Arlo Pro, AngelCare baby monitor, CCTV camera, video security camera, camera ML-500, etc. Easy to install and more secure Camera wall mount can be installed easily; These are more secure because they go into the threaded mount on the bottom of the cameras. Easily adjustable camera mount bracket: With 360 degree swivel and 90 degree tilt, you can use it to mount the camera on the wall and ceiling, adjusting to the appropriate angle you want. Camera mount bracket size The camera mount height is 9.6 cm, the diameter of the bottom is 6.8 cm, the top screw diameter is 0.5 cm, the hole diameter for the mount screw is 0.4 cm.