with otherworldly luminescence, the plasma bulb nightlight creates a spectacularly animated and mysterious light show. with pink and purple "lightning" arcing from its central filament to the bulb's interior surface, the plasma bulb is so fascinating you might forget why you were wandering around in the dark. Night light fits into any standard 120v-Volt socket. Bulb can be fitted into candelabra sockets too. UL approved. Measures 6 by 2-Inch. Comes packed in a recyclable plastic box.