Powered by USB port: low consumption, can use 5V/12A adapter, also can be powered by computer USB port, very easy and convenient to use. 12/24 hours format with high accuracy, it is very easy to install, and comes with all the needed instructions to control, change the settings, or display options with ease. Suitable for Home, Office, Bedroom, Living Room, Cabinet Decorations.Base Color: Black Size: approx. 25.8x4.9x12cm/10.16x1.93x4.72inch. 1 Piece Nixie Tube Clock. Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement. People always bought together with. This item is in the category "Home, Furniture & DIY\Clocks\Alarm Clocks & Clock Radios". The seller is "lucky3celectronics" and is located in this country: CN. This item can be shipped worldwide.