Simple user-friendly menu for set time, chimes, alarm. 7-days alarm (on/off for each day of week). Hourly signal from 9:00 to 21:00(on/off). Anti-Poisoning of cathodes (Every minute tubes starts to spinning all numbers from 0 to 9).Powered from any USB port AC/DC adapter with. Cable, Computer USB port, Powerbank etc. You may use any cell adapter with. Power socket DC 5V 250mA. Built-in lithium battery CR2032 for time storage when power off. The item "Bohemia Wood Retro Nixie Nixie Tube Clock IN-14 Bog Oak/Blue" is in sale since Sunday, July 29, 2018. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Parts & Accessories\Vintage Tubes & Tube Sockets". The seller is "zvaiv73" and is located in Minsk. This item can be shipped worldwide.