Preowned - Not sure what is wrong with this clock - Selling "AS IS" - FOR PARTS OR REPAIR - If you are just wanting to place it on your wall and use it as an ordinary Coca-Cola Clock, then this is for you! It works as a clock, but the light-up/flashing feature is not working properly. Also, there is some sort of 'film' on the inside of the glass. You can see this 'film' at different angles, especially in bright light. The flashing switch on the back has 3 settings. I believe them to be "Off" "Flash" and "Steady On" .. This clock will only flash/blink on either setting (besides the off setting) - This clock requires 1 AA battery for the regular clock to operate - It then requires 4 AA batteries (2 on each side) for the 'Flashing' - Batteries are not included. Please view the video of this clock on this listing Measures approx. 11" in Diameter. Feel free to ask any questions before purchasing.