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.
Features:
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.