X-Sense Smoke Alarm 10-Year Battery,

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10 YEARS BATTERY LIFE】: Incredible 10 years of extended use with one lithium-ion battery sealed in this alarm; provides you 10 years of 24/7 protection and peace of mind on a single battery; you'll sleep soundly knowing your home is protected for many years to come

【SUPERIOR ALARM PERFORMANCE】: Proven performance for detecting smoke from hidden and slow-burning fires; photoelectric sensor can also detect dangerous fast-burning fires that can cause extreme damages; powerful 85 dB alarm tone will sound through your entire home and instantly alert those in danger

【UNIQUE FUNCTIONS】: Malfunction warning, low battery warning, and hush mode enabled; allows you to instantly be aware of the detector's working status; test and silence enabled by momentarily pressing Test/Silence button

【EASY INSTALLATION】: All mounting hardware included for fast and simple installation in minutes; the tamper-resistant pins prevent tampering and theft

【GUARANTEED QUALITY】: The high quality alarm is TUV certified and conforms to the EN14604 standards for added trustworthiness; comes with a 10-year limited warranty to further guarantee its quality