Led Blue backlight (off/on mode). Built-in battery for power failure protection. Case made of natural wood handmade with brass top panel. Wood covered with natural oil with wax. Clock uses 6 nixie tubes In-14.Dimensions: 175 on 95 mm and 80 mm high. EU Socket Power adapter 12V, 1A (100-240V, 50-60Hz). If you have any questions please contact with me. The item "IN-14 NIXIE TUBE CLOCK Wood and brass case BLUE LED BACKLIGHT" is in sale since Tuesday, June 9, 2020. This item is in the category "Consumer Electronics\Vintage Electronics\Other Vintage Electronics". The seller is "deny-1" and is located in Russia. This item can be shipped worldwide.