Saving More Space: Folded length is only 19"/48cm when you need to store it. The wall mount boom arm gives you an extremely experience of saving your floor space, which can smooth your studio in a constrained space and help you free it up. Angle and Length Adjustment: To obtain precise beam angles, the boom arm can be swung up and down or side to side from 0° to 180°. Extendable lengths from 19 to 43 inches allow for various length adjustments. Compact and Stable: The ring light mount weighs 3.2lbs/1.45kg for compactness and convenience. Aluminum alloy material and triangular structure provide stable support for your equipment use. Load Capacity: It's depends on the length of the tube, minimum length: 22 pounds/10kg, maximum length: 6.6 pounds/3kg Wide Application: Provided with 1/4" and 3/8" screws adapter. Available to install lightweight equipment(ring light, led video light, camera) in your barbershop, beauty salon, photography studio, live streaming, etc. Secure Mounting: The package comes with 8x M5*30 self-tapping screws that are used for firm and stable mounting on wood wall and drywall, 4x M6*50 expansion screws for mounting on solid wall, and 2x cable ties to organize the wire. (PS: To keep the screws from loosening, please make sure they are tight during installation) SITTO wall mount boom arm for ring light