Once set up correctly it will hover above the base for as long as it is powered, displaying the time and date on digits of glowing metal and glass. Needing no batteries, the nixie clock is powered from the base without wires and will operate without interruption for months or years. No charging is required, it just floats and works.
I think it's a little weird that they went with 5 tubes instead of 6, and are spending a whole tube on punctuation. But it still looks like magic.