Siterlink Hardwired Interconnected Smoke Detectors,Photoelectric Smoke Alarm with 9V Battery Backup,Test/Silence Button, Hard Wired Fire Alarm for Home GS562A 4pack

Amazon.com Price: $85.99 (as of 31/03/2025 19:03 PST- Details)

Operated by AC 120V: SITERLINK hard wired smoke detectors will have a lifespan of 10 years or even longer; The device includes a 9V lithium battery that can be used normally even in the event of a power outage, so there is no need to worry about power outages; If the battery level is low or an error occurs, it will automatically detect and notify, which is very user-friendly.
Accurate detection of photoelectric sensors: The highly precise technology of smoke detectors and photoelectric sensor smoke alarms help to quickly monitor smoke and fires, and provide fire warnings as soon as possible; A loud alarm signal (loudness>85dB) can evacuate the scene in a timely manner.
Wired Interconnection Alarm: The SITERLINK smoke detector has a hard wired interconnection function and can connect up to 12 devices. One of the alarms detects smoke, while the other alarms will sound the same sound signal but without the red LED flashing, ensuring reliable safety in different rooms of your large house

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