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 "NIXIE TUBES CLOCK IN-14 Wood and brass case BLUE BACKLIGHT vintage watch" is in sale since Monday, November 25, 2019. This item is in the category "Home & Garden\Home Décor\Clocks\Desk, Mantel & Shelf Clocks". The seller is "deny-1" and is located in Russia. This item can be shipped worldwide.