Transmit electricity without wires. Watch light bulbs glow in your hand. Study the ionization of gases and the behavior of insulators and conductors. This powerful, compact apparatus is a completely safe source of high frequency high voltage electricity. Arcs to 30mm, illustrate its maximum output of 50,000 volts. Its design includes a vibrator; two high voltage capacitors; cord and plug; primary coil; secondary coil with 400 turns of wire; and high impact resistance plastic housing that protects you from the spark gap. Fully assembled. 100 volts operation (220 V operation on special order). Included accessories: lamp socket; radiating plates, 2 sizes; neon bulb; discharge electrode; plastic and copper wire; instructions with 19 experiments.