You can use any 9V, 300mA (or more) DC adapter with 5,5mm/2,1mm barrel plug autput connector (+inside, - outside). Set includes diagrams and instructions. When you have a problem with the submission I always serve to help You. See my other Nixie clocks. The item "Nixie Tube clock KIT with IN-12 LED Alarm Black" is in sale since Friday, August 26, 2016.
This item is in the category "Home & Garden\Home Décor\Clocks\Alarm Clocks & Clock Radios". The seller is "retro-nix" and is located in Kraków. This item can be shipped worldwide.