I was unable to confirm that it works. This item is being sold as junk. The outer box has folds, tape reinforcement marks, and price stickers. Please check the photos. * We do not guarantee the battery for software with built-in backup batteries. This is a used item and has been stored at home. Please understand this before purchasing. To prevent product substitution, we do not accept returns or exchanges after purchase. We will ship the item in an OPP bag and bubble wrap.