To use this stage lighting fixture, first connect the stage pin plug to a suitable power source. Then, install the provided bulb. When positioning the light, you can adjust the 19 - degree ellipsoidal beam as needed. Remember, since it doesn't come with a C - clamp, you'll need to find an appropriate way to mount it. For maintenance, regularly check the bulb for signs of damage or burnout and replace it if necessary. Keep the fixture clean by gently wiping it with a dry cloth. Avoid using harsh chemicals on the fixture as this may damage its surface.