This ETC Source Four 750 ellipsoidal light comes with a bulb, a stage pin, and a C - clamp. However, it doesn't include a lens tube. The bulb and stage pin ensure reliable lighting performance on stage, while the C - clamp allows for easy installation.

How to use: First, use the C - clamp to securely attach the light to a suitable mounting point. Then, connect the stage pin to the power source. You can start using the light right away. Note: Since this light doesn't have a lens tube, be aware that the light distribution might be different from fixtures with a lens tube. Maintenance: Regularly check the bulb to see if it needs replacement. Also, keep the C - clamp clean and make sure it's in good working condition to ensure stable installation.