This ellipsoidal light comes with an Edison plug. It doesn't include a C - Clamp or a bulb, offering flexibility for your specific needs.

To use this ellipsoidal light, first, find a suitable place to install it. You'll need to get a C - Clamp separately if you want to secure it, and also choose the right bulb according to your lighting requirements. Plug it into a power source using the provided Edison plug. When it comes to maintenance, make sure to turn off the power before cleaning. Use a soft, dry cloth to wipe the surface of the light. Avoid using harsh chemicals as they may damage the fixture. Also, always handle the bulb with care to prevent breakage. If you have any issues with the light, check the power connection first. If the problem persists, it might be a bulb issue, so try replacing it.