Introduction
This manual provides essential information for the proper installation, operation, and maintenance of your First Alert SA700L Compact Optical Smoke Alarm. The SA700L features a sealed 10-year lithium battery, ensuring continuous power for the alarm's entire lifespan. Designed for rapid detection of slow-smoldering fires, often originating from overheating wiring or upholstery, this optical smoke alarm includes a convenient test/hush button and an end-of-life warning signal.
Please read this manual thoroughly before installation and retain it for future reference. Ensure all users are familiar with the alarm's operation and maintenance.
Important Safety Information
Smoke alarms are crucial for early fire detection. For optimal protection, follow these guidelines:
- Install smoke alarms on every level of your home, including basements and attics.
- Place alarms inside and outside sleeping areas.
- Mount alarms on ceilings or high on walls, away from corners.
- Avoid placing alarms near windows, doors, or air vents where drafts might interfere with smoke detection.
- Do not install alarms in kitchens, bathrooms, or garages where cooking fumes, steam, or exhaust can cause nuisance alarms.
- Regularly test your smoke alarm to ensure it is functioning correctly.
- Develop and practice a fire escape plan with all household members.

Image: Recommended Smoke Alarm Placement. This diagram illustrates optimal locations for smoke alarms within a typical home layout, indicating placement in bedrooms, living areas, and lofts, while suggesting alternative alarms for kitchens and garages.
Product Features
- Compact Design: Slim and unobtrusive, designed for discreet ceiling or wall mounting.
- Optical Sensor Technology: Reliably detects smoke from slow-smoldering fires and minimizes false alarms caused by cooking fumes or steam.
- 10-Year Sealed Lithium Battery: Provides continuous power for the entire lifespan of the smoke alarm, eliminating the need for battery replacement.
- Loud 85 dB Alarm: Designed to be easily heard throughout the home in the event of a fire.
- Test/Hush Button: Allows for quick testing of the alarm's functionality and temporarily silences nuisance alarms.
- End-of-Life Warning: Alerts you when the alarm unit needs to be replaced after approximately 10 years of operation.

Image: Optical Technology. This graphic highlights how the optical sensor technology in the First Alert SA700L helps reduce false alarms, particularly from cooking vapors, by showing a frying pan with steam.
Setup and Installation
The First Alert SA700L is designed for easy installation. The 10-year lithium battery is sealed within the unit and does not require user installation or replacement.
Package Contents:
- First Alert SA700L Smoke Alarm (with sealed 10-year lithium battery)
- Mounting bracket
- Screws and wall plugs
- User Manual
Installation Steps:
- Choose Location: Refer to the "Important Safety Information" section for recommended placement. Ensure the chosen location is free from obstructions and away from sources of steam or fumes.
- Mounting Bracket: Position the mounting bracket on the ceiling or wall at your chosen location. Mark the screw holes.
- Drill Holes: Drill pilot holes at the marked spots. Insert wall plugs if mounting into drywall or plaster.
- Secure Bracket: Attach the mounting bracket securely using the provided screws.
- Attach Alarm: Align the smoke alarm with the mounting bracket and twist it clockwise until it clicks firmly into place. This action will activate the sealed battery.
- Test Alarm: Immediately after installation, press and hold the Test/Hush button for a few seconds until the alarm sounds. This confirms proper operation.

Image: Installed Smoke Alarm. This image shows the First Alert SA700L smoke alarm mounted on a ceiling, demonstrating its compact and discreet appearance once installed.
Operating Instructions
Normal Operation:
During normal operation, the alarm's LED indicator will flash approximately once every 40-60 seconds, indicating that the unit is powered and functioning correctly.
Testing the Alarm:
It is recommended to test your smoke alarm weekly. To test:
- Press and hold the Test/Hush button located on the alarm cover.
- The alarm will sound a loud, pulsating siren. Release the button once the alarm sounds.
- If the alarm does not sound, refer to the Troubleshooting section.
Hush Feature:
The Hush feature temporarily silences the alarm for approximately 10 minutes in case of a nuisance alarm (e.g., from cooking fumes). To activate:
- Press the Test/Hush button briefly when a nuisance alarm occurs.
- The alarm will silence, and the LED will flash rapidly for the duration of the hush period.
- After approximately 10 minutes, the alarm will automatically reset to normal operation. If smoke is still present, the alarm will sound again.

Image: Hush Button Function. This graphic visually represents the hush button feature, which allows users to temporarily silence nuisance alarms, such as those triggered by cooking.
Maintenance
Proper maintenance ensures your smoke alarm remains functional and reliable.
- Weekly Testing: Test your alarm weekly by pressing the Test/Hush button.
- Monthly Cleaning: Gently vacuum the alarm's cover and vents with a soft brush attachment to remove dust and debris. Do not use cleaning sprays or solvents.
- Battery: The SA700L features a sealed 10-year lithium battery. This battery is designed to last the entire life of the alarm and cannot be replaced. Do not attempt to open the unit or replace the battery.
- End-of-Life Warning: After approximately 10 years, the alarm will emit a regular chirp (e.g., once every 30-40 seconds) to indicate that the unit has reached the end of its operational life and needs to be replaced. Replace the entire smoke alarm unit immediately upon hearing this signal.

Image: 10-Year Battery. This image emphasizes the sealed 10-year lithium battery, which powers the alarm for its entire operational life, eliminating the need for battery changes.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Alarm sounds intermittently or chirps every 30-40 seconds. | End-of-life warning. The alarm has reached its 10-year operational limit. | Replace the entire smoke alarm unit immediately. |
| Alarm sounds frequently without apparent smoke. | Nuisance alarm from cooking fumes, steam, or dust. | Press the Hush button to temporarily silence the alarm. Clean the alarm regularly to remove dust. Relocate the alarm if it's too close to cooking areas or bathrooms. |
| Alarm does not sound when Test/Hush button is pressed. | Unit not properly activated or faulty. | Ensure the alarm is twisted firmly onto its mounting bracket to activate the battery. If it still doesn't work, the unit may be faulty and needs replacement. |
| LED indicator is not flashing. | Unit not activated or faulty. | Ensure the alarm is twisted firmly onto its mounting bracket. If the LED still does not flash (once every 40-60 seconds), the unit may be faulty. |
Specifications
| Model Number | SA700L |
| Sensor Type | Optical (Photoelectric) |
| Power Source | Sealed 10-Year Lithium Battery |
| Alarm Loudness | 85 dB at 3 meters |
| Operating Temperature | 4°C to 38°C (40°F to 100°F) |
| Operating Humidity | 10% to 95% Relative Humidity (RH) non-condensing |
| Dimensions (Diameter x Height) | Approximately 100 mm (D) x 38 mm (H) |
| Color | White |
| UPC | 029054019912 |
| ASIN | B07K7C55T5 |
Warranty and Support
The First Alert SA700L Smoke Alarm comes with a 10-year limited guarantee, covering defects in materials and workmanship from the date of purchase. This guarantee applies to the original purchaser and is not transferable.
For warranty claims or technical support, please refer to the contact information provided on the product packaging or visit the official First Alert website. Do not attempt to repair the unit yourself, as this will void the warranty.

Image: 10-Year Guarantee. This logo signifies the product's limited 10-year guarantee, assuring quality and reliability for its operational lifespan.