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Model / Type: Kidde 10-Year Sealed Battery Smoke Detector (2-pack)
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Power Source: Sealed lithium battery designed to last 10 years (no battery replacements)
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Detection Technology: Photoelectric sensor, with enhanced sensing to reduce false alarms (e.g. from cooking)
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LED Warning Indicators: Multiple LED lights indicating status (normal, alarm, fault)
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Alarm Sound Level: 85 dB typical alarm output
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Interconnect Capability: Some models support interconnection (so that when one alarm goes off, others also sound)
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Warranty / Lifespan: Designed for 10 years of service; after that the units should be replaced
