This First Alert Smoke & Fire Alarm provides maximum smoke and fire protection by using photoelectric smoke sensing technology that detects smoke particles most commonly produced by smoldering fires.
Costco has the First Alert Photoelectric Smoke & Fire Alarm 2-Pack on sale for $22.99 (after instant savings), now through May 26, 2019. That is $7 off Costco’s new lower regular price of $29.99. While supplies last. Price and participation may vary by location.
• Long-life 10-year sealed lithium battery
• Photoelectric smoke sensor
• New sleek/thin design features a 50% lower profile
• Power LED and alarm indicator
• Twist/lock mounting bracket
• Test/silence button
• Safety latch
• Model: P1210CP2-1