This combo smoke and carbon monoxide detector protects your home and family on two fronts. With its dual sensors, it monitors continuously for both fire and invisible carbon monoxide, issuing loud alarms when dangerous levels are detected. The easy-to-use design features a test/silence button and voice alerts to clearly indicate source of danger. Its sleek low-profile design is suitable for ceilings and walls, blending in unobtrusively yet vigilantly standing guard. Help ensure your loved ones' safety around the clock with this dual protection detector that defends against smoke and carbon monoxide threats.