Thank you for viewing. Model number: 9021-526A This item was received from someone else and has been stored indoors for a long time. It is not working, possibly due to a dead battery. Notes: ・As shown in the photos, one side of the strap is missing. The other side is also quite worn (please check the photos). ・There is an engraving for a long service award from Matsushita Electric. As this is a used item, please consider purchasing it if you understand the above.