ZIN-18 New Nixie Tubes Clock. Black Aluminium Silver Glass Cover WIFI Android/Iphone. Millclock has designed and manufactured a new variety of Nixie tubes. We intend to set up their mass production for popular use in technical projects. Nowadays, ZIN18 is the most compact and upgraded Nixie tube on the market. Now, the famous Nixie tubes shape is elongated, neat, strong, and smart. The name ZIN is a blend of the Z class and IN class…