Using this ETC Source Four Jr ellipsoidal light is easy. First, connect the Edison plug to a suitable power source. The included bulb is ready to provide light right away. When setting it up, note that it doesn't come with a C - clamp, so you'll need to find another way to secure it if necessary. For maintenance, make sure to turn off the power before changing the bulb. Keep the light clean by gently wiping it with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials as they can damage the fixture. With proper use and care, this light will serve you well for a long time.