Discontinued The original with a cool base! Coils of the cobra accent the base of this 8 inch tall (4-inch) bulb plasma ball. The sound response base reacts to your voice and music! The whole unit stands 8.5 inches tall, and the bulb is approx. 4.5 inches tall. 120 volts. Sliding switch controls On/Off/Audio. Click here to order by fax, or phone! Product Number BL10503