1 Pack Fire Alarms Smoke Detectors, Photoelectric Sensor Smoke Alarm Battery Operated, Fire Alarm with Test Button & Low Battery Signal, LED Warning

【Advanced photoelectric sensor technology】Featuring dual-sensor photoelectric technology with a lifespan of up to 10 years, this device excels at detecting slow-burning fires (such as soft furnishings or electrical appliance fires). It offers exceptional sensitivity to faint smoke and slow smoldering fires, with a low false alarm rate and extended service life. 【Sensitivity 0.1 Bar & Sensor detection speed 0.08 Seconds】This smoke alarm is equipped with a high-sensitivity error correction chip and is designed to provide accurate monitoring information, rapid response, and avoid false alarms or false triggers. It also features low power consumption and long standby time. 【High-Capacity Battery & Ultra-Low Power Chip】Our smoke detectors utilize high-capacity 9V batteries, unlike standard AA batteries found on the market, delivering three times longer battery life. Paired with an intelligent chip, they achieve ultra-low standby power consumption of <0.1μA, providing long-term protection for your safety. 【High-Efficiency Smoke Channel & 85dB Alarm】 The 360° smoke inlet and dedicated flue connected directly to the photoelectric detector detect fires instantly. A red LED flashes rapidly while triggering an alarm exceeding 85 decibels—waking you even if you're sound asleep in the next room. 【Easy Installation & Low Battery Alert】Measuring 4.2×4.2×0.66 inches, this smoke alarm installs quickly on ceilings or walls using included 3M adhesive tape or screws. When battery power is low, the red LED indicator flashes with a “beep” sound, reminding users to replace the batteries. 【Trusted Safety & Peace of Mind】Rigorously tested to meet UL 217 safety standards. Features an End-of-Life signal and is designed with durable, high-quality components for dependable protection year after year. If you encounter any other issues, please contact us. Our team will respond within 24 hours to ensure your satisfaction and peace of mind.

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