This is the IN-12 Nixie Tubes Clock DIY KIT. With Professional made PCBs + Full set Components (IN-12B Nixie Tubes x 4 NOT Included). Clock displays time in HH:MM or MM:SS format. HH:MM or MM:SS display. Selectable 12 or 24 hours modes.Glowing dot indicates Alarm is ON. Built-in accumulator ensuring time backup during power interruptions. Effects preset Slot Machine every 60 minutes. Neon colon indicators blinking at 1Hz. Continuous effect of Slot Machine (preventing cathode poisoning). Simple time and alarm seting using only three buttons. Clock requires 9V DC power supply. 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. The item "Nixie Tube clock KIT with IN-12 LED Alarm Tubes NOT Included" is in sale since Sunday, September 25, 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.