This ETC Source Four 750 ellipsoidal light comes with an Edison plug and a bulb, but no C - clamp or lens tube.

To use this ETC Source Four 750 ellipsoidal light, first, connect the Edison plug to a suitable power source. Since it doesn't come with a C - clamp, you'll need to use your own fixture - mounting device. Also, because there's no lens tube, you may want to get one according to your lighting needs. When handling the bulb, make sure your hands are dry to avoid any damage. For maintenance, keep the light clean and store it in a dry place when not in use. Regularly check the bulb for signs of wear and replace it when necessary.