Although unused, this item was stored in a warehouse, so please understand this before purchasing. This is a promotional item from Suntory's canned coffee, Boss. It's a product from over 40 years ago. Although unused, the box is torn. The clock works, but the alarm did not function. (The alarm setting hand doesn't move either.) Uses a size D battery. Box dimensions: Height: 20cm Width: 15cm Depth: 7cm