Ecoey Smoke Alarm Fire Detector with Photoelectric Technology and Low Battery Signal (Battery Include), Fire Alarm with Test Function for Home, Bedroom, FJ136GB, 4 Packs Alternative Pain Relief • Stainless-steel filter for pure

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Ecoey Smoke Alarm Fire Detector with Photoelectric Technology and Low Battery Signal (Battery Include), Fire Alarm with Test Function for Home, Bedroom, FJ136GB, 4 Packs Alternative Pain Relief • Stainless-steel filter for pureBrand: Ecoey Color: White Features: Accurate & Sensitive: The small size smoke alarm adopts photoelectric technology to detect smoke, which is more sensitive to light smoke and slow smoldering fires and more quickly to remind you. Keep your home safe 24 7 TEST BUTTON: Please test the fire detector once a month. If red LED flashes with chirp every 30 seconds, it's low battery signal, please change battery in 7 days. Small size, DIA 3. 3 inch. If you