http://tinyurl.com/nlboxn2<P>Kidde KN-COSM-XTR-B Nighthawk Combination Carbon Monoxide, Fire, and Smoke Intelligent Alarm (4 Pack)Product Review<P> Click on the link for more reviews<P>Voice alarm, announces hazard type detected helping to speed up correct reaction to hazard detected<P>Combined carbon monoxide and smoke alarm, single unit can be installed instead of two, reducing installation time<P>Test reset button tests alarm circuitry and triggers voice announcement, flashing green and flashing red LEDs<P>Low battery condition announcement initiates alarm chirp and flashing red LED activation<P>Battery powered, provides protection even during power outages<P>
