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The First Alert SMI100-AC Hardwire Interconnect Smoke Alarm with Battery Backup meets new industry standards utilizing First Alert's Precision Detection advance sensing technology. This hardwire smoke alarm is easy to install and replace existing alarms with no need to rewire. Plus interconnect compatible alarms to create a whole home alarm system to help provide an early warning.
Frequently Asked Questions
- Q: What are the dimensions of the First Alert SMI100-AC smoke alarm? A: Each smoke alarm measures five inches in length, five inches in width, and five inches in height. This compact size allows for easy installation in various locations.
- Q: How many smoke alarms are included in the First Alert SMI100-AC package? A: The package includes three smoke alarms. This three-pack setup is ideal for providing comprehensive coverage throughout your home.
- Q: What technology does the First Alert SMI100-AC use? A: The smoke alarm features First Alert's Precision Detection advanced sensing technology. This technology is designed to minimize nuisance alarms while enhancing fire detection capabilities.
- Q: How do I install the First Alert SMI100-AC smoke alarm? A: Installing the smoke alarm is straightforward; it includes a Quick Connect Plug for easy setup. You can replace existing alarms without rewiring.
- Q: Does the First Alert SMI100-AC have a battery backup? A: Yes, it features a battery backup system. This ensures continued protection even during power outages.
- Q: Can I interconnect multiple First Alert SMI100-AC alarms? A: Yes, you can interconnect compatible alarms. When one alarm sounds, all interconnected units will alert simultaneously.
- Q: How should I clean and maintain the First Alert SMI100-AC smoke alarm? A: To maintain the smoke alarm, gently vacuum the unit monthly to remove dust. Avoid using cleaning solutions or water on the alarm.
- Q: How long does the battery last in the First Alert SMI100-AC smoke alarm? A: Battery life can vary, but it's recommended to replace the batteries at least once a year. Regular checks ensure reliable operation.
- Q: Is the First Alert SMI100-AC smoke alarm suitable for residential use? A: Yes, it is specifically designed for residential use. Its features meet industry standards for home safety.
- Q: What should I do if my First Alert SMI100-AC smoke alarm goes off? A: If the alarm sounds, evacuate immediately and call emergency services. Ensure all family members know the escape route.
- Q: What is the warranty period for the First Alert SMI100-AC smoke alarm? A: The smoke alarm typically comes with a limited warranty of up to ten years. Always check the specific terms with the manufacturer.
- Q: Can I return the First Alert SMI100-AC smoke alarm if I'm not satisfied? A: Yes, returns are generally accepted within a specified period. Check the retailer's return policy for details.
- Q: What is the best way to test the First Alert SMI100-AC smoke alarm? A: Press the test button on the unit to ensure it sounds. Regular testing is advised once a month for safety.
- Q: What color is the First Alert SMI100-AC smoke alarm? A: The smoke alarm comes in a white color. This neutral hue blends well with most home interiors.
- Q: Does the First Alert SMI100-AC smoke alarm have an indicator light? A: Yes, the alarm includes an indicator light that visually identifies which unit initiated the alarm. This feature helps in identifying the source quickly.

