Protect your home with this First Alert battery-operated ionization smoke alarm. Features Precision Detection technology to help reduce nuisance alarms from cooking while providing early warning of fast-flaming fires.

• Ionization sensing technology detects fast-flaming fires
• 85 dB alarm provides loud alert throughout the home
• Test/silence button for easy testing and silencing nuisance alarms
• Front-access battery compartment for easy 9V battery replacement
• End-of-life warning indicates when alarm needs replacement
• Easy installation with included mounting hardware

Note: Replace alarm every 10 years for optimal protection. Direct replacement for SA303B models.