Voltage: Working voltage 5V. Plasma Lamp: Get a magic flashing plasma ball lamp. Senses: A touch and sound interactive lamp! Loud music or claps will make a unique light show, and touching the surface of the lamp will make coloured bolts tickle your fingertips. Décor: Add the glass lamp to any bedroom or living space for a cool, futuristic touch. Includes: Package comes with one plasma lamp and one USB cable. Size: 14cm x 10cm x 7.5cm. Magic Flashing Plasma Ball Lamp | Living Social