This ETC Source Four Jr ellipsoidal light comes with an Edison plug but no bulb or C - clamp. It's a great option for those who have their own bulbs and C - clamps and are looking for a reliable lighting solution.

Using this ETC Source Four Jr light is easy. First, find a suitable place to set it up. Since it doesn't come with a C - clamp, you'll need to use your own method to secure it. Then, insert your compatible bulb into the fixture using the Edison plug. When using, make sure the power supply matches the requirements of the light. As for maintenance, regularly check the plug for any signs of wear or damage. If you notice any issues with the light output, it might be time to replace the bulb. Keep it in a dry and clean place when not in use to extend its lifespan.