This ETC Source Four Jr ellipsoidal light comes with a bulb and a stage - pin plug, but no C - clamp.

Using this ETC Source Four Jr ellipsoidal light is easy. First, find a suitable place to set it up. Then, connect the stage - pin plug to a power source. The included bulb is ready to use right away. When using it, make sure the power source voltage matches the requirements of the light. Avoid using it in wet or extremely hot environments. For maintenance, turn off the power and wait for the bulb to cool down before any cleaning. You can gently wipe the exterior with a soft, dry cloth. Also, keep an eye on the bulb's condition and replace it when it burns out. And remember, since there's no C - clamp, you'll need to use your own method to secure the light if needed.