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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: The dimensions of the First Alert SMI100-AC smoke alarm are five point six inches in length, five point six inches in width, and one inch in height.
- Q: What features does the First Alert SMI100-AC smoke alarm have? A: The First Alert SMI100-AC features advanced sensing technology, battery backup, interconnect compatibility, and an alarm indicator.
- Q: Is the First Alert SMI100-AC hardwired? A: Yes, the First Alert SMI100-AC is a hardwired smoke alarm that also includes battery backup for continuous protection.
- Q: How do I install the First Alert SMI100-AC smoke alarm? A: You can install the First Alert SMI100-AC easily using the included Quick Connect Plug, with no need to rewire existing alarms.
- Q: Can I connect multiple First Alert SMI100-AC alarms? A: Yes, you can interconnect multiple First Alert SMI100-AC alarms to create a whole home alarm system for enhanced safety.
- Q: What happens during a power outage with this smoke alarm? A: During a power outage, the battery backup of the First Alert SMI100-AC ensures that the alarm remains operational to provide continued protection.
- Q: How do I maintain the First Alert SMI100-AC smoke alarm? A: To maintain the First Alert SMI100-AC, test the alarm regularly, replace the batteries as needed, and clean the unit to remove dust and debris.
- Q: Is the First Alert SMI100-AC smoke alarm suitable for all homes? A: Yes, the First Alert SMI100-AC smoke alarm is suitable for most homes, especially those with existing hardwired alarm systems.
- Q: What type of battery does the First Alert SMI100-AC use? A: The First Alert SMI100-AC uses a nine-volt battery for its backup power system.
- Q: How do I test the alarm functionality of the First Alert SMI100-AC? A: You can test the alarm functionality by pressing the test button located on the front of the First Alert SMI100-AC.
- Q: What is the warranty period for the First Alert SMI100-AC smoke alarm? A: The First Alert SMI100-AC typically comes with a limited warranty, which is often up to ten years.
- Q: Does the First Alert SMI100-AC have a visual indicator? A: Yes, the First Alert SMI100-AC features a visual alarm indicator that identifies which unit initiated the alarm.
- Q: How can I ensure the First Alert SMI100-AC is installed correctly? A: To ensure correct installation of the First Alert SMI100-AC, follow the installation instructions provided in the manual carefully.
- Q: What should I do if the First Alert SMI100-AC alarm goes off mistakenly? A: If the First Alert SMI100-AC alarm sounds due to cooking or other non-emergency situations, simply press the test button to silence it.
- Q: What safety certifications does the First Alert SMI100-AC have? A: The First Alert SMI100-AC complies with new industry standards and has been certified for safety and reliability.

