This medium size metal bracket connector is suitable for PTZ dome camera installation in all external wall corners application, it's made of metal, exquisite workmanship, well white-painted on the surface, waterproof and rust-proof, and the bottom is a right-angle 90-degree mounting feet, you can easily mount your PTZ camera on the opposing corners of building and this way is able to pan around looking down the two sides of the building and all the area in-between to get a super wide view angle. It can also be used to fix the camera on all cylindrical objects such as telegraph pole (requires 2 stainless steel hoop strips). You can also attach other suitable camera long arm brackets support to this right-angle corner bracket together.