Features: E27 threaded interfaces, suitable for most lighting fixtures. Umbrella hole design, suitable for installing soft light umbrellas, reflective umbrellas, and umbrella style soft light box. Independent switching button design, easy to use. The lamp head can be rotated 360 degrees for easy photography. The base is adjustable and can connection with most tripods and lamp stand. Specifications: Material: Nylon/Plastic Color: black Size: approx. 7x14cm/2.75x5.51inch Interfaces Inner Diameter: approx. 45mm/1.77inch Interfaces Outer Diameter: approx. 20mm/0.78inch Package Includes: 1Pc E27 Light Stand Mount note: Please pay attention to whether this product is suitable for your region before ordering. Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.