■ Product Name: SEIKO Digital Battery Tester 　　　　S-844 ■ Size: W54 x H108 x D12mm ■ Weight: 83g (including batteries) ■ Accessories: Case / Instruction Manual / ■ Power Supply: LR-44 x 2 or SR-44 x 2 ■ Continuous use: Approximately 80 hours Purchased in November 2023, used for less than 3 years. There are scratches on the metal part that measures voltage. There are no operational problems, but I don't know how much longer it will last as it is a machine. Please refrain from purchasing if you are sensitive to imperfections. Will be shipped via Nekopos.