A:AnswerThis article will give you full information on how this mount will be screwed into a surface and secure the camera : https://kb.arlo.com/000062404/. ^RM
A:AnswerArlo Pro 4 camera is not listed as one of the compatible cameras to work with this mount. However the VMA1001 mount might be a option for your camera. ^RM
A:AnswerNo, it cannot. The Arlo Pro 3 Floodlight has a white or black Camera sleeve and mount all as one piece that doesn't come apart. You're provided with a round mounting plate and 3 screws that the Camera housing attaches to.
A:AnswerThe Arlo Essential Camera comes with a mount that allows you to mount on a wall or ceiling. Check out this Knowledge Base article on how you can use the included mount to mount your camera on the ceiling: https://kb.arlo.com/000062404 ^KN