Features: This is a Photography Light Wall Bracket Ceiling Light Ceiling Arm Wall Lamp Bracket Converter Head Photography Equipment Accessory, good for professional or amateur photographers. Material: Lamp bracket made of aluminum alloy, this product is sturdy, ensuring long time to use. Product Size: The telescopic device can be adjusted to heights between 45-180cm, providing flexibility for different needs. Widely used: The photographic pantograph can be freely paired with the lighting fixtures on the ceiling track system of the studio to achieve free lighting. Widely suitable for material hanging of film, television, and photography lighting fixtures, making the lighting angle wider. Flexible: The lamp bracket can be freely adjusted within 45-180cm range. When not in use, it can be retracted to save space and avoid troubles caused by messy lamp holder wires. Specification: Material: aluminum alloy Size Chart: Size:Lamp bracket height,telescopic deviceA: 11.7cm/4.61inch, 45cm-180cm/17.72inch-70.87inchB: 35cm-55cm/13.78inch-21.65inch, 45cm-180cm/17.72inch-70.87inch Package Includes: 1Telescopic Light Wall Mount Note: Please allow slightly errors 1-2cm differences due to manual measurement.