Spotlight is a kind of spotlight, which is a kind of high-power spotlight. It consists of a convex lens and a light source. It is mainly used to highlight actors or other special effects with light beams when the stage is dark, or to fill the light for actors. Spotlight can change various colors, and some spotlights can print different patterns. It is characterized by being manipulated and moving with the actors. Spotlights are widely used, such as stage plays, weddings, opening and closing ceremonies, etc. It is a common lighting effect apparatus.