This ETC Source Four Jr ellipsoidal light has no bulb and comes with an Edison plug. It doesn't include a C - clamp. Be aware that it lacks a bulb and C - clamp.

Using this ETC Source Four Jr light is simple. First, make sure you have a compatible bulb as it doesn't come with one. Insert the bulb into the fixture carefully. Then, connect the Edison plug to a proper power source. When using it, keep in mind that it doesn't have a C - clamp, so you'll need to find an alternative way to mount it if needed. For maintenance, regularly check the bulb for any signs of damage or burnout and replace it when necessary. Also, keep the fixture clean by gently wiping it with a dry cloth to ensure optimal performance.