Description: 【Material】: The wall mounted boom arm is made of aluminum alloy and iron, which is sturdy and not easy to break 【Telescopic Design】: The wall mounted photography light bracket adopts a telescopic design, with a maximum length of 110 cm and a minimum length of 43 cm 【Adjustable Angle】: The Wall Stand Tripod Support can be used in different scenes, with up and down, left and right, 180 degree adjustment 【Space Saving】: Ring Light Mount can be fixed on the room, studio, or wall to save space. 【Application】: Equipped with 1/4 to 3/8 interface screws, suitable for more accessories such as studio lights, flashlights, lamp holders, and LED lights Specification: Material: Iron and Aluminum Alloy Color: Black Size Chart: Telescopic Size 43cm-110cm/16.93inch-43.31inch 43cm/16.93inch Package Includes: 1 Wall Mount Boom Arm 4 Expansion Screws Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.