BRK First Alert Photoelectric Smoke Alarm, 120V Hardwire with 9V Battery Backup - 7016BTCA

Photoelectric technology is generally more sensitive at detecting large particles, which tend to be produced in greater amounts by smoldering fires. Drastically reduces the most common causes of nuisance alarms when placed near kitchens and bathrooms.

Features:

• Optipath 360 Technology – Patented Photoelectric smoke sensing design
• 9V battery back-up – Easy access battery door
• Two Latching features – Alarm latch and Low battery latch
• Two Silence Features – Silence low battery chirp for up to eight hours or temporarily silence nuisance alarm conditions
• Low battery warning
• 10-Year Limited Warranty