First Alert Photoelectric Smoke & Carbon Monoxide Combo Alarm With 10-year Battery

• Model number PRC710
• Low-profile smoke & carbon monoxide alarm detects 2 potentially deadly threats
• Slim easy-to-install design is half as thick as standard alarms
• Built-in 10-year Li-Ion battery offers continuous power for the life of the alarm
• Photoelectric sensor detects smoke & electrochemical sensor alerts if dangerous carbon monoxide levels are detected
• Mounts unobtrusively on the ceiling or wall
• 10-year limited warranty
• Includes mounting bracket;