Tracer lamp is a kind of high power spotlight, which consists of convex lens and light source and can rotate the illumination angle.
Mainly in the darkness of the stage, use light pillars to highlight actors or other special effects, or make up for actors. Tracer lights can change different colors, and some can make different patterns. It is characterized by manoeuvring and moving with the actors. Tracer lights are widely used, such as stage plays, wedding ceremonies, opening ceremonies, closing ceremonies and other occasions. They are common lighting effects appliances.