The Aico Ei630iRF Heat Alarm is a reliable smoke detector powered by a single battery, with the convenience of the battery included. Its RF interconnect feature allows for easy communication with other devices for a comprehensive home security system. Enjoy free postage for this essential home safety device. ** The best before dates on the heat alarm may be different to the radioactive device in the heat alarm. ** Best before dates on radio link selling in order: - 07/2033 - 04/2034 - 09/2034 - 11/2034 - 12/2034 - 06/2035 on heat detector ( it does not have a date on the radio link but the heat detector is 2035 )
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