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SITERLINK Smoke Detectors 10-Year Battery Operated, Photoelectric Sensor Smoke Alarm with Test-Silence Button, UL Listed Fire Alarms Smoke Detectors with LED Lights for Home, GS526A (4 Pack)

Make sure this fits by entering your model number. 【10-Year Lifetime with Built-in Battery】SITERLINK smoke detectors battery powered includes 3V lithium battery, will last 10 years, no need to replace;support to detected and notified automatically if it is low battary or error occured 【Photoelectric 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