This ETC Source Four 750 ellipsoidal light comes with a bulb, a stage pin, and a C - clamp. It's a great option for stage lighting, but note that it does not have a lens tube.

To use this ETC Source Four 750 ellipsoidal light, first connect the stage pin to a proper power source. The included C - clamp can be used to fix the light in place. Keep in mind that this light doesn't have a lens tube, so plan your lighting setup accordingly. When it comes to maintenance, regularly check the bulb. If it burns out, replace it with a compatible one. Also, make sure to keep the light clean to ensure optimal performance. Avoid exposing the light to excessive moisture or extreme temperatures, as this may damage its components.