Projectors are devices that project images or videos onto a surface, typically a screen or wall, for viewing by an audience. They are commonly used in various settings, including classrooms, conference rooms, home theaters, and entertainment venues. Projectors come in different types, technologies, and specifications. When selecting a projector, it’s important to consider the specific requirements of your use case, whether it’s for presentations, home theater, gaming, or other applications. Additionally, understanding the room conditions and audience size will help determine the appropriate specifications for your projector.