Is it true that all smoke alarms have an expiry date?

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It is true! All smoke alarms 9volt and 240volt hard wired alarms must have an expiry date to meet Australian standards. Depending on make and model this is sometimes noted as a manufacture date, and expiry date or a manufacture code. We carry this information for all 96 approved smoke alarms in Australia. NB. Smoke alarms must be replaced once they exceed their service life. Failure to do so may result in an alarm not working in a fire situation or an insurance claim being declined.