【Adjustable Height & 360° Rotation】The Ceiling Camera Mount Extended boom with extension bar has a longer extension length from 17-28.3 inches/43-72 cm. Can be installed vertically or horizontally. the boom arm allows for 360-degree rotation after locking, giving you complete control over equipment orientation to meet your Angle needs | 【Upgraded Design】The Wall Ceiling Mount Arm Using high-quality aluminum alloy, stainless steel coating, anti-shake design, and thickened base and light tube, make the camera or ring light more stable during use.There is a loop on the base to help organize wires.Eight holes help mount the boom more securely to walls and ceilings;This boom arm, designed for professionals, features a thicker tube diameter and extended length, offering enhanced strength and durability to securely mount cameras, lights, and other equipment on walls or ceilings | 【2-in-1 Thread】The Wall Mount Boom Arm With 1/4inch and 3/8inch thread sizes at the same time, it can be used for more photography equipment.Such as studio video strobes, single lights, flashes, softboxes, soft umbrellas, reflectors, DSLRs and more | 【4 expansion screws & 4 regular self-tapping screws】You can use the 4 expansion screws included in the package to mount it on concrete walls, or use the 4 regular self-tapping screws included to mount on wood walls and drywall, firm and secure(NOTE: That wall mount boom arm ring light need to be fixed on the load-bearing wall | 【Multiple installation modes]】360° Rotation Wall Mount Boom can be installed on the ceiling or on the wall according to the needs, and can also be fixed on the desktop as the most daily use front