ADVPRO nc0945-b Circle of Fifths Guitar Music Neon Sign LED Wall Clock Overall diameter of the Clock is 10 inch/ 25cm with a frame made of aluminum The source of the light is LED light, which is bright & energy saving, lifespan is more than 100,000 hours (around 10 years if you keep turning it on) The CE clock runs on one AA battery (not included) and an AC power cord (110v to 240v) for the lights (included). We provide an **US plug to USA & CA **UK plug to UK **AU plug to Australia **EU plug to EU & other countries Default color is shown in the first gallery picture, if you need to change to other colors (either blue, red, green), please contact us after payment confirmed AdvPro Clocks are carved by the latest 3D, Surface and Line engraving technologies (attractive in all directions). We are not using the laser engraving method which only provides 2D surface effect