Compatible models: Casio XJ‑A130, XJ‑A135, XJ‑A140, XJ‑A145, XJ‑A150, XJ‑A155, XJ‑A230, XJ‑A235, XJ‑A240, XJ‑A245, XJ‑A250, XJ‑A255. Battery: Works with 2 × AA alkaline batteries or 1 × electronic battery (batteries not supplied).
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