1. Projector accessory - designed to enhance live-streaming effects when used with tripod stands. Includes a sturdy metal mounting plate for secure attachment. 2. Ball-head mount for camera tripods - compatible with a wide range of devices, including projectors and cameras. Enables versatile mounting and smooth angle adjustment; part of a tripod mounting set. 3. Tripod heads - designed for compatibility with projectors, cameras and other devices. Expands mounting options for a variety of applications. 4. Tripod mounting plate - versatile and adaptable; suitable for use with many devices. Enables secure attachment for cameras and other gear. Use scenarios - Live streaming and presentations: mount a projector and camera on the tripod mounting set; use the ball-head for rapid angle changes during broadcasts. - Events and classrooms: flexible mounting for projectors and cameras; easily switch devices without changing stands or configurations. - Studio or home recording: stable mounting for multiple devices; secure attachment of projector and camera for consistent framing and output.