The Aico Ei450 RadioLink Alarm Controller has an expiry date of 04/2034, ensuring it remains effective for an extended period. This smoke alarm is powered by a single battery with a battery backup feature, providing continuous protection even during power outages. Its sleek white design complements any home décor while offering reliable fire safety monitoring. With the trusted Aico brand and advanced technology, this alarm controller is a crucial component in any household's fire safety system. Expiry: 04/2034
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