This ETC Source Four 750 19 Degree Ellipsoidal Light comes with a bulb and a stage pin, but no C - clamp. It's a great option for stage lighting. Note: C - clamp is not included.

To use this ETC Source Four 750 19 Degree Ellipsoidal Light, first connect the stage pin to the appropriate power source. Then, install the included bulb. This light is great for stage setups. Just keep in mind that it doesn't come with a C - clamp, so you'll need to get one if you need to secure it in a certain way. When it comes to maintenance, make sure to turn off the power before changing the bulb. Also, keep the light clean by gently wiping it with a soft cloth every once in a while. If you have any issues, check the power connection and the bulb first.