This ETC Source Four ellipsoidal light comes with a stage pin plug and a bulb. Note that a C - clamp is not included.

Using this ETC Source Four ellipsoidal light is easy. First, connect the stage pin plug to a proper power source. Then, insert the included bulb into the light fixture. When using, make sure the power supply matches the requirements of the light to avoid damage. As for maintenance, keep the light clean by gently wiping it with a dry cloth. Don't use harsh chemicals as they may damage the surface. Also, check the bulb regularly. If it burns out, replace it with a similar one. Remember, the C - clamp is not part of the package, so you'll need to get one separately if you need it for mounting.