Real time clock battery for keeping time (CR1220) life around 3 years. Simple time setting using one button or remote control. Tubes are driven in high frequency dynamical indication and provide service for many years. All settings are stored in non-volatile memory. Blinking "dots" between tubes with frequency 1Hz.Charge: DC 5V 1A and microUSB plug. Time accuracy (+/- 1 second per month) is provided by built-in RTC (Real Time Clock) based on an extremely precise DS3231 module with temperature compensation and backup with CR1220 battery. Not AC frequency dependent works in all countries. The power cord and power supply are NOT INCLUDED! The item "Assembled vfd clock IV-11 Nixie tube clock Steampunk Retro Cyberpunk desk clock" is in sale since Wednesday, May 19, 2021. This item is in the category "Home & Garden\Home Décor\Clocks\Alarm Clocks & Clock Radios".
The seller is "ukrainian_gifts" and is located in Kyiv. This item can be shipped worldwide.