Cavius 2104-001 User Manual page 5

The alarm is powered by a replaceable 3v CR123A lithium battery. Please note
that correct operation of the smoke alarm device is ensured by use of one of the
following batteries: DURACELL, PANASONIC or HUIDERUI.
Interconnected by RF: 926.365 MHz
Complies to standards: AS3786:2014/AC:2008/RCM
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