LZ-1901 Smoke alarm smoke detector
2 year ago
Should you have a smoke alarm upstairs and downstairs?
Reasons to Have Smoke Alarms Upstairs and Downstairs
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Early Detection and Rapid Response
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Upstairs Protection: Fires can start on any floor, and smoke rises quickly. An alarm on the upper level will alert occupants, especially those sleeping, to a fire that may have started downstairs. This early warning can mean the difference between a safe evacuation and a dangerous situation.
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Downstairs Protection: Conversely, if a fire starts upstairs, having an alarm on the lower level ensures that anyone in the basement or on the ground floor is also alerted. This is particularly important for multi-story homes where people might be in different areas.
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Comprehensive Safety Coverage
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Safety for Everyone: In a multi-story home, having smoke alarms on each floor ensures that everyone, regardless of their location, has a chance to escape. This is crucial for families with children, elderly individuals, or those with mobility issues who might need more time to evacuate.
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Pathway Awareness: Smoke alarms on each floor can help occupants identify the safest escape route. If one floor is heavily filled with smoke, knowing that an alarm is sounding on another floor can guide them to a safer exit.
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Building Code Compliance
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Legal Requirements: Many building codes and local regulations require smoke alarms on every level of a home, including basements and attics. This ensures that homes meet minimum safety standards and can also affect insurance policies and home inspections.
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Future Proofing: Even if your local codes don't currently require it, installing smoke alarms on every level is a future-proof measure. It ensures your home is always in compliance with the latest safety standards.
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Accessibility and Inclusivity
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Accessibility for All: Smoke alarms on each floor are especially important for households with members who have mobility issues or hearing impairments. They provide multiple points of warning, ensuring that everyone has the best chance to respond to a fire.
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Children and Pets: For families with young children or pets, having alarms on every level can provide an extra layer of protection. It ensures that any fire is detected early, giving you more time to safely evacuate everyone.
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Peace of Mind and Preparedness
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Reduced Risk: Knowing that your home is equipped with smoke alarms on every level can give you peace of mind. It reduces the risk of a fire going undetected and provides assurance that your family and property are better protected.
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Proactive Safety: Regular testing and maintenance of these alarms ensure that they are always ready to function. This proactive approach to home safety can help prevent tragedies and provide a sense of security.
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Additional Recommendations
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Hallways and Bedrooms: In addition to having smoke alarms on each floor, it’s also recommended to install them in hallways outside bedrooms and inside each bedroom. This ensures that sleeping occupants are alerted as quickly as possible.
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Interconnected Alarms: Consider installing interconnected smoke alarms, where all alarms sound when one is triggered. This provides a more effective warning system, ensuring that everyone in the house is alerted simultaneously.
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Combination Alarms: Some smoke alarms also detect carbon monoxide, providing an added layer of protection against both fire and gas hazards.
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Regular Maintenance: Test your smoke alarms monthly, replace batteries at least once a year, and replace the entire unit every 10 years or as recommended by the manufacturer.
Conclusion
Product Parameter
Model No. | LZ-1901 |
Standard | EN14604:2005/AC:2008 |
Voltage | DC 9V |
Standby current | ≤10uA |
Alarm current | ≤30mA |
Sensor type | Photoelectric |
Temperature | 0°C~+40°C |
Ambient Humidity | ≤95%R.H |
Alarm indication | Red LED & Buzzer |
Sound pressure | ≥85dB(around 3m) |
Weight | ≈126g(incl.battery) |
Product size | Φ100*37mm |
Installation way | Ceiling mounting |
Applicable place

The standalone smoke detector can be widely applied in residences, nursing homes, service institutions for the disabled, kindergartens, community activity places, old residential buildings, dormitories, rental flats, hotels, basements, and other places where there might be fire happening.
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