About this item

• 10-YEAR LIFETIME WITH 9V REPLACEABLE BATTERY: SITERLINK battery powered smoke detectors will last 10 years; the device includes one year 9V battery, easy to replace it; support to detected and notified automatically if it is low battary or error occured.
• PHOTIELECTRIC SENSOR FOR ACCURATELY DETECT: Photoelectric sensor smoke alarms helps to monitor smoke and fires quickly, provides the warning of fires as soon as possible; the loudly alarm signal (Loud>85dB) helps your family keep far away from fire dangerous.
• TEST/SILENCE BUTTON AND LED LIGHTS: Fire alarm with test button would be tested weekly by pushing the test button then holding it down at least 5 seconds; if sounds the alarm signal without fire dangerous, please clean smoke, dust or insects in it, or raplace a new one if the battary low.
• EAST TO INSTALL: SITERLINK smoke detectors provides mounting bracket, screws, and anchor plugs, the 3M magnet plate base are packeted together as well, convenient for you to choose different way to install it.
• HIGH QUALITY ASSURANCE: These smoke alarms are made of first-class flame-retardant ABS material, which is rigorously lab-tested; we provide you with a 3-year warranty, if you have any questions, please contact our 24-hour after-sales customer service.