Sharp Plasma Cluster Ion Generator IG-BA15 Car Air Purifier Made in 2010 Actual use was for 1-2 years, and then it was only in the car for 4-5 years. There are black scratches because it was placed in the cup holder. Operation confirmed. I think it can still be used. Please make your decision based on the photos. Please refrain from purchasing if you are sensitive to imperfections.