This is not a Nixie Tube clock, but an LED Clock with 4 nixie style tubes on it.
Unlike traditional Nixie Tube, this LED clock shares the same advantages as other LED lights.
1. Low power consumption
2. Long lifespan
3. Display time
4. Auto/Manual 25 levels brightness adjustment
5. Alarm clock
6. Powered by USB type C (5V)
Please contact me if you have any questions.