Hardwired Interconnected Smoke Detectors,Photoelectric Smoke Alarm with 9V Battery Backup,Test/Silence Button, Hard Wired Fire Alarm for Home GS562A 6pack

Hardwired Alarm with 9V Battery Backup: Enjoy uninterrupted protection with our hardwired smoke alarm that operates on 120V AC wiring. Even right through severe weather or power outages, the 9V battery backup ensures continuous operation, providing worry-free protection for you and your circle of relatives.
Accurate detection of photoelectric sensors: The highly precise technology of smoke detectors and photoelectric sensor smoke alarms lend a hand to quickly monitor smoke and fires, and provide fire warnings as soon as imaginable; 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 most alarms detects smoke, even as 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
Test the mute button and LED light: By pressing the test button, the fire alarm with the test button will be tested weekly; If there is not any fire hazard when an alarm signal is issued, you’ll be able to press the test button for 2 seconds to silence it and eliminate any smoke, dust, or insects; Green LED light indicates operation, red LED light indicates alarm or warning
Built-in Indicator LED Light: SiterlinkGS562A model would be the traditional external indicator built-in, hidden LED indicator, the light is soft and visible, but will not disturb you and your circle of relatives’s sleep, suitable for installation in the children’s room.