【Adjustable Length & Flexible Angle】(NOT Come with ring light) With two adjustable knobs, the length of ring light wall mount can be adjusted from 31.5 inch to 53.9 inch. Dual-swivel design makes it flexibly can be adjusted up and down or side to side from 0° to 180°, which meets your different needs of lighting angles. | 【Secure Mounting】The wall mount triangle boom arm is made of aluminum alloy, which is durable, anti-corrosion, wear-resistant and not easy to deform. Coming with 6 expansion screws, it's easy to use 4 screws to mount the camera wall mount on the concrete wall securely. The 8 self-tapping screws usually use in the wood wall. The wall mount can support 11 lbs heavy devices. | 【Wide Compatibility】 Equipped with standard 1/4" and 3/8" screw, the wall mount is compatible with most photography devices, such as continuous output light, strobe flash, softbox, LED lights, ring light, reflective umbrella, DSLR, microphone etc. Perfect for photography and lighting. | 【Save Space】 Different from the traditional tripod, wall mount triangle boom arm uses triangle structure to increase stability, you can easily install the ring light wall mount on the wall to save floor space and the cable tie can help to sort out your devices' cable, making your studio more spacious and tidy. | 【 Package List & Excellent Service】Coming with 1x wall mount boom arm, 6x expansion screw, 8x self-tapping screw, 1x cable tie. SEDGEWIN provide 12 months quality after-sale service, if have any question please contact our after-sale team via email,we will resolve your problem within 24 hours