Programmable timing - time, date. 12 or 24 hours time display format. Date in format DD:MM:YY or MM:DD:YY. Six IV11 VFD Tubes new (NOS) and matched manufactured date. Programmable hour for automatic switch on/off the display.Precision is better than 1 minute per year! Backup battery included for maintaining accurate timekeeping when main power of the device is interrupted (CR2032 in socket), even for more than 3 years. ALARM function, can be disabled if not used. For all features, a single button is used - an user friendly knob - rotary encoder: push to select, rotate left/right to adjust, push when ready. Power supply 12V/1.5A included, with EU socket. US wall socket adapter if needed. Settings are based on the rotary encoder, located at the back of the unit. One single button, simple and intuitive, it is used for time, alarm and advanced parameters setting push for select and rotate for up/down. The item "VFD Alarm Clock IV11 VFD tubes with Wi-Fi Sync Monjibox Nixie" is in sale since Wednesday, May 5, 2021. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Parts & Accessories\Vintage Tubes & Tube Sockets". The seller is "monjibox" and is located in Bucharest, Romania. This item can be shipped worldwide.