First Alert SC7010BV Carbon Monoxide Alarm, 10 ft, 85 dB, Alarm: Audible, Electrochemical, Photoelectric Sensor, White

The First Alert BRK SC7010BV hardwired talking photoelectric smoke and carbon monoxide alarm detects both carbon monoxide and smoke all in a single device. The 120 V carbon monoxide smoke alarm features a photoelectric smoke sensor and electrochemical carbon monoxide sensor for complete peace of mind. The voice warning alerts you to the type of danger as well as the location. This carbon monoxide smoke alarm is designed to be hardwired into your home or office. In the event of a power outage, the battery backup allows the unit to continue functioning.