1. Product Overview
The Ecoey Photoelectric Smoke Detector is designed to provide early warning of smoke and fire hazards in your home. Utilizing advanced photoelectric technology, it is highly sensitive to light smoke and slow smoldering fires, ensuring a quicker response time compared to traditional ionization alarms. This compact and stylish device is battery-powered for easy installation in various locations, offering reliable 24/7 home safety.

Image: Six Ecoey Photoelectric Smoke Detectors and six 3M adhesive pads, illustrating the product package contents.
2. Key Features
- Accurate & Sensitive: Employs photoelectric technology for quick detection of light smoke and smoldering fires.
- Test Button: Allows for monthly testing to ensure proper functionality.
- Easy Installation: Can be installed with the included mounting bracket, screws, anchor plugs, or 3M adhesive pads. No hardwiring required.
- Sound & LED Warning: Alerts with an 85 dB alarm and rapid red LED flashes upon smoke detection.
- Low Battery Signal: An intermittent "chirp" and red LED flash every 30 seconds indicate a low battery, requiring replacement within 7 days.
- Compact Design: Small size (3.3 inch diameter) for discreet placement.

Image: An exploded view of the smoke detector highlighting its internal sensor, emphasizing its 10-year sensor life for long-term protection.

Image: A close-up of the smoke detector showing the replaceable 9V battery compartment, indicating low-power consumption.

Image: A hand holding the compact smoke detector, illustrating its small size with dimensions of 3.5 inches diameter and 1.3 inches thickness.

Image: The smoke detector mounted on a ceiling, with a graphic representing sound waves and a chart showing the 85dB alarm level compared to other sounds.

Image: The smoke detector installed on a ceiling, with concentric circles illustrating its wide detection range of 215-430 square feet for comprehensive home protection.
3. Package Contents
- Ecoey Photoelectric Smoke Detector (Model: GS528A)
- 9V Battery (included)
- Mounting Bracket
- Screws and Anchor Plugs
- 3M Adhesive Pads
- User Manual (this document)
4. Installation
Proper placement and installation are crucial for the effective operation of your smoke detector. Follow these guidelines:
- Choose Location: Install smoke alarms in every bedroom, outside each sleeping area, and on every level of your home, including the basement. For optimal protection, consider installing an alarm in every room except the bathroom and kitchen. Keep at least 3 feet away from the kitchen, bathroom, or other high airflow areas to prevent false alarms.
- Prepare for Mounting: Ensure the 9V battery is correctly installed in the detector. The detector is designed not to mount without a battery installed, preventing accidental oversight.
- Mounting Options:
- Using Screws and Anchor Plugs: Secure the mounting bracket to the ceiling or wall using the provided screws and anchor plugs. Once the bracket is fixed, attach the smoke detector by twisting it onto the bracket until it clicks into place.
- Using 3M Adhesive Pads: For a simpler installation, apply the provided 3M adhesive pads to the back of the smoke detector. Ensure the surface is clean and dry before pressing the detector firmly onto the desired location on the ceiling or wall.
- Test Installation: After installation, press the test button on the smoke detector to confirm it is functioning correctly. A loud alarm sound indicates proper operation.

Image: Illustration of two installation methods: using the provided magnetic pads for quick attachment, and installing with screws and anchor plugs for a more permanent fixture.
5. Operation
The Ecoey Photoelectric Smoke Detector operates continuously once the battery is installed. It constantly monitors the air for the presence of smoke particles. When smoke is detected, the alarm will sound loudly (85 dB) and the red LED indicator will flash rapidly to alert occupants to a potential fire hazard. This immediate alert allows for crucial time to evacuate and contact emergency services.
6. Testing Your Smoke Alarm
It is recommended to test your smoke detector at least once a month to ensure it is working properly. To test:
- Press and hold the test button located on the front of the smoke detector.
- The alarm should sound a loud, continuous siren, and the red LED will flash.
- Release the button. The alarm should stop.
- If the alarm does not sound or the LED does not flash, refer to the Troubleshooting section.

Image: A hand pressing the test button on the smoke detector, demonstrating the test mode to ensure proper operation.
7. Maintenance
Regular maintenance helps ensure the longevity and reliability of your smoke detector:
- Battery Replacement: When the red LED flashes with a "chirp" every 30 seconds, it indicates a low battery. Replace the 9V battery within 7 days. To replace, twist the detector counter-clockwise from its mounting base, remove the old battery, insert a new 9V battery, and reattach the detector to the base.
- Cleaning: Dust and debris can accumulate in the smoke alarm, potentially affecting its performance. Clean the smoke alarm regularly (e.g., every 6 months) using a soft brush or a vacuum cleaner with a soft brush attachment to remove dust from the vents. Do not paint the smoke alarm.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Alarm chirps every 30 seconds. | Low battery signal. | Replace the 9V battery immediately. |
| Alarm sounds without visible smoke. | Dust accumulation, high humidity, cooking fumes, or steam. | Clean the smoke alarm. Ensure proper placement away from kitchens and bathrooms. Ventilate the area. |
| Alarm does not sound during test. | No battery, dead battery, or faulty unit. | Ensure battery is installed correctly. Replace battery. If problem persists, replace the unit. |
9. Specifications
| Specification | Value |
|---|---|
| Brand | Ecoey |
| Model Number | GS528A |
| Sensor Type | Photoelectric |
| Power Source | Battery Powered (1 x 9V included) |
| Alarm Volume | 85 dB |
| Product Dimensions | 1.37"D x 3.52"W x 3.52"H |
| Color | White |
| Installation Method | Wall-Mounted |
| UPC | 788484240982 |
10. Warranty and Support
Ecoey products are designed for reliability and performance. For specific warranty details and customer support, please refer to the warranty card included in your product packaging or visit the official Ecoey website. If you encounter any issues or have questions regarding your smoke detector, please contact Ecoey customer service for assistance.
For further information or to purchase additional Ecoey products, please visit the Ecoey Store on Amazon.