Voice alarm announces the hazard type detected thereby helping to speed up the correct reaction to the hazard detected; alarm announces fire; when a smoke or fire hazard is detected and announces warning carbon monoxide when a CO hazard is
Combined carbon monoxide and smoke alarm a single unit can be installed where previously, 2 were needed; reduces installation time and helps to keep home decor attractive
Test/reset button tests alarm circuitry and triggers the voice announcement
Low battery warning the unit warns of a low battery condition by announcing low battery and by initiating an alarm chirp and activating a flashing red led