First Alert 1039772 Battery-Operated Photoelectric Smoke Alarm

• Model number PR700;• Low-profile smoke alarm reliably detects smoke from smoldering fires;• Slim, easy-to-install design is half as thick as a standard smoke alarm;• Photoelectric sensor detects smoke while minimizing false alarms;• Patented smoke entry system allows for a direct path to the sensor;• Wall or ceiling mount;• Requires no rewiring for installation;• 10-year limited warranty;• Includes 9V battery & mounting bracket;