Using Micro-USB power supply interface, you can use your Android phone's charger.
With 2 buttons for power switch and setting function, very easy to use. LED back-light change makes it colorful and more energetic.
It can display hour and minute, seconds in turn. Because of only one tube, it takes a little time for you to know what time it is now.
Use DS3231 real-time clock, built-in crystal oscillator, accurate timing, backup battery socket (CR1220), power-off time continues to run.
With anti-poison function for Nixie tubes to prolong your tubes' service life. And you can set its auto detect time as you need.
Combined practical function with attractive appearance, compact design makes it more fashionable and charming, not only a desk clock but also a decoration.
Parameters:
Input voltage: 3.3V~5.5V DC Battery model: CR1220 3V (NOT included) Operating Current: About 430mA (@5V) Glow tube anode voltage: 170V Total power consumption: about 2.5W (@5V)