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

To use this ETC Source Four Jr light, first, make sure the power is off. Then, connect the Edison plug to a suitable power source. The light is ready to illuminate once you turn on the power. As it doesn't come with a C - clamp, you'll need to find your own way to secure it if necessary. When it comes to maintenance, turn off the power and let the bulb cool down completely before attempting any cleaning or bulb replacement. Keep the light clean from dust and debris to ensure optimal performance.