Digital Temperature Controlled Solder Station, Professional Soldering Station 48W, DIGITAL Display, Heater Power for a 48 watt Soldering Iron, Iron Voltage is 24 VAC (station runs on 110-130 VAC 60Hz), 42 long cable on the Iron
Energy Tube, teaching resource for an array of scientific concepts: open and closed circuits, conductors vs. Insulators, light waves, sound waves,currents, and energy, When a conductor touches both of the electrodes on tube, tube emits a sound and flashing red/green/blue LED lights