An ultra-short-throw (UST) interactive projector is a type of projector that combines the benefits of ultra-short-throw projection and interactive technology. Here's a breakdown of the key features: Ultra-Short-Throw Projection: UST projectors are designed to project large images from a very short distance. This is advantageous in settings where space is limited, such as classrooms, boardrooms, or home environments. Interactive Technology: Interactive projectors are equipped with technology that allows users to interact with the projected images in real-time. This often involves the use of a stylus or, in some cases, finger touch. Users can manipulate and control the content directly on the projection surface. The combination of ultra-short-throw projection and interactive technology is particularly useful in educational settings, business presentations, and collaborative environments. Here are some key advantages: Reduced Shadow Interference: Because UST projectors are positioned very close to the screen or wall, there's less chance of the presenter casting shadows on the projected image. Space Efficiency: UST projectors can be placed close to the projection surface, saving space in the room. This is especially beneficial in small classrooms or meeting rooms. Interactive Learning and Collaboration: In educational settings, interactive projectors can enhance engagement and facilitate interactive learning. In business environments, they can promote collaborative discussions and presentations. Ease of Use: Interactive projectors often come with user-friendly interfaces and software that make it easy for presenters or educators to control and navigate through content. These projectors are popular in a variety of professional and educational settings where both space constraints and interactive features are important considerations.