Until you change them again. Automatic changing colors, with on-off switch. For accurate timekeeping the clock uses a.
Battery backed, temperature compensated RTC Chip (DS3231SN). Retains the date and time even when turned off, not just for a few minutes. But for as long as. (The battery is replaceable CR1220). You Can Find Spare IN-14 Tubes And Other Clocks HERE. Video And User Manual: HERE. Easy Tube Change Video: HERE. 1x Power supply 9V DC 1A (EU plug). The item "Handmade Vintage Nixie Tube Clock With Easy Replaceable IN-14 Russian Tubes #2" is in sale since Thursday, September 24, 2020. This item is in the category "Sammeln & Seltenes\Technik & Geräte\Elektronenröhren\Spezialröhren\Ziffernanzeigen & Nixies". The seller is "steampunk-nixie" and is located in Avles.This item can be shipped to European Union member countries.