Individual packaging box, instruction manual, domestic book attachment;Solar radio wave correction (receives standard radio waves from Japan, China, the United States, Germany, and the United Kingdom);Drives for about 9 months when fully charged, about 2 years when power save;Full auto calendar function (until December 31, 2099);Average monthly difference 15 seconds when not receiving #Please note that some of the models are made exclusively for Japanese market, hence the specifications and interface language is all in Japanese and cannot be changed to a different language. For electronic equipment, it is recommended to use a transformer just in case. This is because electronic equipment for Japan is designed to be used at 100V. (Some products are globally compatible.) If there is no stock, it may be canceled after notification.