This ETC Source Four 750 ellipsoidal light comes without a bulb and a C - clamp but features a stage pin. It's a great option for stage lighting setups. One thing to note is that it doesn't include a bulb or a C - clamp.

Using this ETC Source Four 750 ellipsoidal light is simple. First, find a suitable place on the stage to set it up. Since it doesn't come with a bulb, you'll need to buy one that fits and install it properly. As for mounting, because there's no C - clamp, you should use your own appropriate mounting equipment. When using it, make sure the stage pin is securely connected. For maintenance, keep it clean and store it in a dry place when not in use. Avoid hitting it to prevent any damage to the internal components. Check the wiring regularly to ensure safety and proper functioning.