This ETC Source Four Jr ellipsoidal light comes with a bulb and an Edison plug. It's a great lighting solution, but please note it does not include a C - clamp.

Using this ETC Source Four Jr light is easy. First, connect the Edison plug to a suitable power source. Once it's plugged in, you can start using the light to illuminate your desired area. Since it doesn't come with a C - clamp, you'll need to find your own way to mount it if required. When it comes to maintenance, make sure to turn off the power before handling the light. Check the bulb regularly for any signs of damage and replace it when needed. Keep the light clean by gently wiping it with a dry cloth. Avoid using harsh chemicals or abrasive materials on the light as this could damage it.