The tubes are Z566M produced by RFT (Germany), mounted in sockets, easy to replace if needed. You can set quick or smooth (crossfading) change between numbers.
Blue LED backlight - adjustable. Hour leading zero - on/off. Beep every hour - on/off. Button press sound - on/off.
Anti poisoning feature to expand tube lifetime - on/off. Built-in time backup during power interruptions. Type of lamps: Z566M (RFT) x 6pcs. Case material: aluminum and wood. Dimensions (WxHxD): 230mm (9") x 90mm (3.54") x 66mm (2.6).
Weight: approx 680g (1.5 pounds). Power consumption: approx 3,5W (maximum).
Digit height: 30mm (1.181). If you have any questions please contact with me.The item "Nixie Clock Large rare 6x Z566M tubes included Vintage Steampunk Cold War" is in sale since Tuesday, January 14, 2020. This item is in the category "Home & Garden\Home Décor\Clocks\Alarm Clocks & Clock Radios". The seller is "kfdq7154" and is located in Kraków. This item can be shipped worldwide.