3 Shoe Mount: Interlocking support To increase lighting brightness and achieve better lighting effects, multiple video lights can be interlocked. Universal: Suitable for macro photography, product photography, video recording, and nearly all DSLR cameras and camcorders Dimmable & Lightweight: You can adjust the brightness of your portable, lightweight lights by interlocking them. Stable Color Temperature: After extended use, the color temperature remains stable. Long lifespan: 50,000 hours or more.