This ETC Source Four 750 ellipsoidal light comes with a bulb and a stage pin, but no C - clamp. A key thing to note is that it doesn't include a C - Clamp.

Using this ETC Source Four 750 ellipsoidal light is easy. First, connect the stage pin to the appropriate power source. Then, insert the provided bulb into the light fixture. Since it doesn't come with a C - clamp, you'll need to find a suitable way to mount it, like using another type of clamp or bracket. When using, keep it away from water and other liquids to avoid damage. For maintenance, regularly check the bulb to see if it needs replacement. Clean the surface of the light fixture with a soft, dry cloth. Don't use harsh chemicals as they may scratch or damage the fixture.