There is not a light bulb so we are unable to test. There is wear from years of use/storage including some discoloring, paint splatter, dust, and a small fracture by one of the rear brackets as shown. Please see photographs for best description of cosmetic condition and style. This item will be packaged with great care. The item "Vintage 1980s RCA Rainbow Lighted Clock Indoor Store Display Sign Advertisement" is in sale since Monday, September 10, 2018. This item is in the category "Collectibles\Advertising\Merchandise & Memorabilia\Signs\Original\1970-Now". The seller is "nospartsnow" and is located in Boyne City, Michigan. This item can be shipped worldwide.