This ETC Source Four ellipsoidal light comes with a stage pin plug and a bulb. Note that a C - clamp is not included.

Using this ETC Source Four ellipsoidal light is easy. First, connect the stage pin plug to a suitable power source. Then, install the included bulb. You can use it to light up a stage for a play, concert, or other performance. When using, make sure the power source is stable to avoid flickering. Also, do not touch the bulb when it's hot as it can cause burns. For maintenance, regularly check the stage pin plug for any signs of wear and tear. If the bulb burns out, replace it with a compatible one. Store the light in a dry and clean place when not in use to prolong its lifespan.