Kidde Fire Sentry Battery Operated 4-Inch Smoke Detectors, Pack of 2 The Kidde Fire Sentry Battery Operated 4-Inch Smoke Detectors, Pack of 2, model i9040, uses ionization sensor technology to help protect you and your family from the dangers of smoke and fire. Smaller than Kidde’s other models, the 4-inch Kidde smoke detector is perfect for tight spaces or for mobile homes or RVs. Easy to install with protection during a power outage, the Kidde Fire Sentry smoke detector doesn't require wiring - simply install a 9-volt, alkaline battery (included) & mount to the bracket (included). Equipped with a flashing red LED light, the Kidde smoke alarm will flash to indicate the alarm is receiving power & a short chirp indicates when the battery needs to be replaced. In the event of fire, the Kidde smoke detector will emit an 85-decibel alarm. The test-hush button feature allows you to test the alarm after battery installation or to hush nuisance alarms. According to industry standards, smoke alarm need to be disposed of and replaced every 10-years. UL Certified with a 3-year limited warranty. Meets requirements of UL217, NFPA72, NFPA 101, FHA, & HUD. Small & discreet - at just 4-inches, smaller than a regular Kidde smoke alarm, this smoke detector fits into tight spaces Reliable Protection - operating on a 9-volt alkaline battery, the Kidde smoke alarm provides reliable detection of smoke or fire, even during power outages Easy to Install – no wiring required, simply mount to bracket (included) Test-Hush Button - easily test the smoke alarm unit or silence nuisance alarms with the push of a button Loud 85-decibel alarm alerts everyone in your home Ionization Sensors - detect smoke from flaming fires while emitting a loud, 85 decibel alarm when fire particles are detected Low battery notifcation - alarm emits a chirp when it's time to replace the 9-volt, alkaline battery LED light - flashes red to indicate proper installation & operation 3-year limited warranty on alarm Certified by UL Small & discreet - at just 4-inches, smaller than a regular Kidde smoke alarm, this smoke detector fits into tight spaces Reliable Protection - operating on a 9-volt alkaline battery, the Kidde smoke alarm provides reliable detection of smoke or fire, even during power outages Easy to Install – no wiring required, simply mount to bracket (included) Test-Hush Button - easily test the smoke alarm unit or silence nuisance alarms with the push of a button Loud 85-decibel alarm alerts everyone in your home Ionization Sensors - detect smoke from flaming fires while emitting a loud, 85 decibel alarm when fire particles are detected Low battery notifcation - alarm emits a chirp when it's time to replace the 9-volt, alkaline battery LED light - flashes red to indicate proper installation & operation 3-year limited warranty on alarm Certified by UL Small & discreet - at just 4-inches, smaller than a regular Kidde smoke alarm, this smoke detector fits into tight spaces Reliable Protection - operating on a 9-volt alkaline battery, the Kidde smoke alarm provides reliable detection of smoke or fire, even during power outages Easy to Install – no wiring required, simply mount to bracket (included) Test-Hush Button - easily test the smoke alarm unit or silence nuisance alarms with the push of a button Loud 85-decibel alarm alerts everyone in your home Ionization Sensors - detect smoke from flaming fires while emitting a loud, 85 decibel alarm when fire particles are detected Low battery notifcation - alarm emits a chirp when it's time to replace the 9-volt, alkaline battery LED light - flashes red to indicate proper installation & operation 3-year limited warranty on alarm Certified by UL Small & discreet - at just 4-inches, smaller than a regular Kidde smoke alarm, this smoke detector fits into tight spaces Reliable Protection - operating on a 9-volt alkaline battery, the Kidde smoke alarm provides reliable detection of smoke or fire, even during power outages Easy to Install – no wiring required, simply mount to bracket (included) Test-Hush Button - easily test the smoke alarm unit or silence nuisance alarms with the push of a button Loud 85-decibel alarm alerts everyone in your home Ionization Sensors - detect smoke from flaming fires while emitting a loud, 85 decibel alarm when fire particles are detected Low battery notifcation - alarm emits a chirp when it's time to replace the 9-volt, alkaline battery LED light - flashes red to indicate proper installation & operation 3-year limited warranty on alarm Certified by UL
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