It runs by any USB power adapter that can deliver 5V 1A. It consumes only 2.5W in average after warming up. The battery back up enables the time keeping up to one month when the clock is off. Approx dimensions: Length including the CRT: 18cm, Height: 21cm nominal (depends on the adjustable tube angle), Base diameter: 12cm, CRT diameter: 7cm.
The glass looking acrylic case on the back of the tube houses all the electronics. It is possibly the smallest board ever made for a CRT clock.(Everything fits into a 55x55mm printed circuit board). Supplied with an USB cable and a quick start-up manual only. The item "Cathode Ray Tube Nixie Clock Art Deco Vintage Unique Design CRT Valve" is in sale since Tuesday, June 15, 2021. This item is in the category "Home, Furniture & DIY\Clocks\Other Clocks".
The seller is "electron73" and is located in St Ives, Cambs. This item can be shipped to United Kingdom.