This ETC Source Four Jr ellipsoidal light comes with an Edison plug and a bulb. However, it does not include a C-clamp.

To use this ETC Source Four Jr ellipsoidal light, first connect it to a power source using the Edison plug. Insert the provided bulb carefully. When setting up, keep in mind that you'll need to use your own C - clamp as it's not included. During use, avoid touching the bulb when it's hot to prevent burns. For maintenance, regularly check the bulb for signs of damage and replace it if necessary. Also, clean the exterior of the light with a soft, dry cloth to keep it looking good and functioning well.