Direct brightness control by rotating the encoder. Settings are based on a single button, located at the back of the unit. Power supply adapter included 100-230V input, 12V stabilized output.For some countries socket adapter for outlet (not included) may be required. Size: 2454585 mm (including tubes). The item "Nixie clock Z5730M tubes Oak case Monjibox Simply Elegant Series" is in sale since Thursday, September 23, 2021. This item is in the category "Sound & Vision\Vintage Sound & Vision\Vintage Parts & Accessories\Valves & Vacuum Tubes". The seller is "monjibox" and is located in Bucharest, Romania, 020105. This item can be shipped worldwide.