Featuring the brand’s dependable Voice Warning System w/ Location Alert, the First Alert SCO7B Photoelectric Carbon Monoxide and Smoke Combo Alarm gives the user the ability to set more than one alarm within any location. Known for being very reliable in emergency situations, it is the best solution available for your ultimate peace of mind. The First Alert SCO7B’s voice alarm allows for up to 11 programmable locations, and the alarm resets automatically once CO and/or smoke has cleared from an area. The unit features First Alert’s Optipath 360 mechanism, which offers 360 degrees of access to the sensor, as well as Perfect Mount technology that allows for the simple alignment of its alarm. There’s also its latching capability, which remembers the unite that initiated any particular alarm. In addition, the First Alert SCO7B can be silenced temporarily for up to 8 hours in the case of its low-battery chirp. The product comes with a 7-year manufacturer’s warranty, direct from First Alert.