First Alert
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First Alert Hardwire Smoke Alarm, Dual Sensor
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First Alert Hardwire Smoke Alarm, Dual Sensor
Featuring advanced sensing technology and dual smoke sensors for reliable protection from fast flaming and slow smoldering fires.
First Alert Hardwire Smoke Alarm, Dual Sensor
Item #: 220873152

First Alert Hardwire Smoke Alarm, Dual Sensor

88% of respondents would recommend this to a friend

Item #: 220873152

SBD 2223

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Featuring advanced sensing technology and dual smoke sensors for reliable protection from fast flaming and slow smoldering fires.
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What Stands Out

Dual Sensor Technology
Combines ionization and photoelectric sensors to detect both fast and slow-burning fires, enhancing safety by providing comprehensive fire protection.
10-Year Battery
Equipped with a sealed 10-year battery, eliminating the need for battery replacements, ensuring reliable operation and peace of mind for a decade.
Test & Silence Button
Features an easy-to-access test and silence button, allowing users to conveniently verify functionality and silence nuisance alarms without hassle.

Product Details

Shop First Alert Hardwire Smoke Alarm, Dual Sensor online at a best price in Solomon Islands. B0FCRWBWNH
BrandFirst Alert
Model NumberSM300-AC
Unit Count6 Count
Number of Items6
ManufacturerResideo
UPC029054021991
Built-In MediaEasy Adapter Plug, AA Batteries
Item Type NameSmoke Alarm
Mfr Part NumberSM300-AC
Power SourceCorded Electric
AlarmSmoke
Sensor TypePhotoelectric, Ionization
Product StylePrecision Detection
ColorWhite
Item Dimensions D x W x H4"D x 4"W x 2"H (10.2 x 10.2 x 5.1 cm)
Item Weight11.2 ounces (317.52 grams)
StylePrecision Detection
Product Dimensions (L x W x H)4"D x 4"W x 2"H (10.2 x 10.2 x 5.1 cm)

Who Should Buy?

Suitable For
  • Homeowners

    Ideal for homeowners seeking reliable fire detection without the hassle of battery replacement for ten years.

  • Apartment Dwellers

    Perfect for apartment residents who need a compact, easy-to-install smoke alarm with dual sensor technology for enhanced protection.

  • Elderly Individuals

    Suitable for seniors who may struggle with battery maintenance, providing long-term safety and peace of mind.

Not Suitable For
  • DIY Enthusiasts

    Not suitable for those who prefer customizable alarms, as this model has a one-size-fits-all approach.

Product Description

First Alert Hardwire Smoke Alarm, Dual Sensor

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What features does the First Alert SM310 Smoke Alarm offer?

    Answer: The First Alert SM310 Smoke Alarm includes dual sensors that detect both fast-burning and smoldering fires, ensuring comprehensive protection. Additionally, it features a sealed battery that lasts for a decade, eliminating the need for frequent battery replacements. The test and silence button allows users to easily check functionality and silence false alarms. This smoke detector is ideal for residential use, providing peace of mind while protecting your home from fire hazards.
  • Question: How does the dual sensor technology work in this smoke alarm?

    Answer: The dual sensor technology in the First Alert SM310 enhances safety by utilizing both photoelectric and ionization sensors. Photoelectric sensors are particularly effective at detecting smoldering fires, which often produce more smoke than flames. In contrast, ionization sensors are better at sensing fast-flaming fires. By combining these technologies, the sensor effectively identifies a wider range of fire types, making it an essential safety addition to any home, especially in high-risk areas like kitchens or garages.
  • Question: How can I test the functionality of the First Alert SM310 Smoke Alarm?

    Answer: You can test the functionality of the First Alert SM310 Smoke Alarm by pressing the test button, which is conveniently located on the unit. This will simulate smoke entry and trigger the alarm, letting you know it’s operational. Regular testing is crucial; doing this monthly is recommended to ensure your smoke alarm is ready in case of an emergency. This simple maintenance step is vital for maintaining home safety.
  • Question: What are the installation requirements for the First Alert SM310?

    Answer: Installing the First Alert SM310 Smoke Alarm is straightforward. You can mount it on walls or ceilings with the provided hardware. It is recommended to install smoke alarms in every bedroom and on each level of your home, especially near sleeping areas, to ensure optimal protection. This smoke detector should be installed away from kitchens to minimize false alarms while still providing coverage against potential smoke from fires.
  • Question: What should I do if the alarm goes off unexpectedly?

    Answer: If the First Alert SM310 Smoke Alarm goes off unexpectedly, first ensure that it's not triggered by cooking smoke or steam. Press the silence button to quiet the alarm temporarily, and check for any signs of smoke or fire. If the alarm persists and there is no identifiable cause, evacuate the premises immediately and call local emergency services. Understanding how to react will help keep you and your loved ones safe during an emergency.
  • Question: Is the First Alert SM310 smoke alarm suitable for use in all environments?

    Answer: The First Alert SM310 smoke alarm is designed for residential environments, but specific locations should be avoided for optimal performance. It should not be installed in excessively humid areas, like bathrooms, or near kitchens where cooking smoke can trigger false alarms. Installing in hallways and near sleeping areas ensures you have adequate coverage while minimizing nuisance alarms, as it enables early warning in the event of a fire.
  • Question: What is the lifespan of the First Alert SM310 Smoke Alarm?

    Answer: The First Alert SM310 Smoke Alarm is equipped with a sealed battery designed to provide power for ten years. After this period, regardless of whether the alarm has been activated, the unit should be replaced to ensure that you are always protected. Regularly replacing smoke alarms after their specified lifespan is essential in maintaining your home's safety and ensures you remain compliant with fire safety regulations.
  • Question: Can I install the First Alert SM310 smoke alarm by myself?

    Answer: Yes, you can install the First Alert SM310 smoke alarm by yourself, as it comes with clear instructions and all necessary mounting hardware. The process typically involves affixing the mounting bracket to the ceiling or wall and securing the device in place. If you follow the installation guidelines correctly, it’s a user-friendly task. This can be an excellent way for homeowners to take charge of their fire safety while learning more about smoke alarms.
  • Question: How often should I replace the First Alert SM310 Smoke Alarm?

    Answer: You should replace the First Alert SM310 Smoke Alarm after ten years from the date of manufacture, which is indicated on the back of the device. This ensures that the sensor technology remains effective and reliable. Keeping track of this timeline is crucial; you can set reminders in your calendar to regularly check your safety devices and initiate timely replacements, promoting a safer living environment.
  • Question: Where can I buy the First Alert SM310 Smoke Alarm?

    Answer: You can buy the First Alert Smoke Alarm, 10-Year Sealed Battery Dual Sensor Detector with Test & Silence Button, SM310, 1-Pack from Ubuy in Solomon Islands. Ubuy offers a convenient shopping experience, ensuring you can easily find and purchase this essential safety device for your home.

First Alert Smoke Detectors & Fire Alarms SM300-AC Editorial Review

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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

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SBD 2223

Order now and get it around Friday, September 11

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Fastest cross-border delivery

Features & Benefits

  • Meets new industry standards with advanced sensing technology.
  • Dual sensors protect against both fast flaming and slow smoldering fires.
  • 10-Year sealed battery eliminates hassle of battery replacements.
  • No more low battery chirps for the life of the alarm.
  • Includes test/silence button for quick and easy functionality check.
  • End-of-life warning alerts you when it's time to replace the alarm.

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