This is a kitchen timer featuring Mayu Watanabe, a former member of AKB48. It's a timer that announces the time with Mayu Watanabe's voice. It has been tested and confirmed to work. Batteries are not included (LR44 x 2). Although it is a new, unused item, please understand that it has been stored at home before purchasing. #MayuWatanabe #KitchenTimer #AKB48 #Mayuyu