Include vintage IV-19 numitron tubes, soldered board, and enclosure. 12 or 24 hour operation modes.
Back light LEDs (16777216 colors). 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! This item is in the category "Home & Garden\Home Décor\Clocks\Alarm Clocks & Clock Radios". The seller is "ukrainian_gifts" and is located in this country: UA. This item can be shipped worldwide.