This ETC Source Four Jr ellipsoidal light comes with a bulb and an Edison plug. It's a great lighting solution, though it doesn't include a C - clamp.

To use this ETC Source Four Jr ellipsoidal light, first, make sure you have a suitable power outlet for the Edison plug. Just plug it in and turn it on to get the light you need. Remember, this light doesn't come with a C - clamp, so you'll need to get one separately if you want to secure it. When it comes to maintenance, turn off the light and unplug it before doing any cleaning. Wipe the surface gently with a dry cloth. If the bulb burns out, replace it with a compatible one. Also, keep the light in a dry place to prevent damage.