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Item #:
220953095
First Alert SMICO100 Battery-Operated Combination Smoke & Carbon Monoxide Alarm, 12-Pack
89% of respondents would recommend this to a friend
Item #:
220953095
GBP 411
Price Details
Price
GBP 411
Excluding Shipping, VAT & Custom charges ( Shipping, VAT and custom charges will be calculated on checkout.
If Item price + shipping is below GBP 135, 20% VAT will be calculated on checkout, if it is equal or above GBP 135, no VAT will be charged. )
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Imported from USA store
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Order now and get it around Tuesday, September 15
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Provides reliable 2-in-1 protection against both smoke and carbon monoxide
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What Stands Out
Dual Detection
This alarm combines smoke and carbon monoxide detection, providing comprehensive safety in one device, ensuring households are protected from multiple dangers.
User-Friendly Design
Equipped with test and silence buttons, this alarm makes it easy for users to check functionality and silence false alarms, enhancing convenience and reducing user stress.
Battery Operated
The battery-operated design ensures continuous protection, even during power outages, offering peace of mind for families in any situation without the need for hardwiring.
Product Details
| Brand | First Alert |
| Model Number | SMCO100 |
| Unit Count | 12 Count |
| Number of Items | 12 |
| Manufacturer | Resideo |
| UPC | 029054022714 |
| Built-In Media | 9V Alkaline Battery |
| Item Type Name | Combination Alarm |
| Mfr Part Number | SMCO100 |
| Power Source | Battery Powered |
| Alarm | Smoke, CO |
| Sensor Type | Ionization |
| Product Style | Precision Detection |
| Color | White |
| Item Dimensions D x W x H | 5.6"D x 5.6"W x 2"H (14.2 x 14.2 x 5.1 cm) |
| Item Weight | 7.6 pounds (3.45 kg) |
| Style | Precision Detection |
| Product Dimensions (L x W x H) | 5.6"D x 5.6"W x 2"H (14.2 x 14.2 x 5.1 cm) |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Who Should Buy?
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Homeowners
Ideal for homeowners seeking a reliable smoke and carbon monoxide detection solution for enhanced safety.
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Renters
Perfect for renters who need portable, battery-operated detectors that comply with safety regulations without wiring.
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Parents
Essential for families with children to ensure a safe living environment against smoke and carbon monoxide dangers.
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Smart Home Users
Not ideal for users wanting advanced connectivity features for monitoring smoke and carbon monoxide alarms remotely.
Product Description
First Alert SMICO100 Battery-Operated Combination Smoke & Carbon Monoxide Alarm, 12-Pack
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What are the main features of the First Alert Combination Smoke & Carbon Monoxide Alarm?
Answer: The First Alert Combination Smoke & Carbon Monoxide Alarm combines the functionality of both smoke and CO detectors in one device. It features a battery-operated design, a test button to check functionality, and a silence button to quickly silence false alarms. This dual detection capability enhances your home safety by continuously monitoring for two of the most common household dangers. -
Question:
Why should I use a combination smoke and carbon monoxide alarm?
Answer: Using a combination smoke and carbon monoxide alarm maximizes safety as it detects both fire smoke and harmful CO emissions. This is crucial because CO is colorless and odorless, making it hard to detect without an alarm. Having both functionalities in one device saves space, reduces installation hassle, and ensures you are alerted to multiple hazards in your home. -
Question:
How does the test and silence button work?
Answer: The test button allows you to check the alarm's operational status with a single press, ensuring the unit is working correctly. On the other hand, the silence button is used to mute unwanted false alarms, such as from cooking smoke. This prevents unnecessary disturbances while ensuring you have control over your safety device. -
Question:
Where is the best location to install this alarm?
Answer: Install the First Alert alarm on every level of your home, particularly near sleeping areas to ensure you can hear it in case of an emergency. Mount it on the ceiling or high on the wall, as smoke rises and CO can accumulate in enclosed spaces. Regular checks and positioning near common hazards improve safety effectiveness. -
Question:
How long do the batteries last in this smoke and CO alarm?
Answer: The battery life of the First Alert Combination Alarm can vary depending on usage and environmental factors, but generally, it provides reliable performance for several months. It is advisable to check the battery regularly and replace it annually to ensure continued safety. Frequent testing is also recommended to keep the device functioning properly. -
Question:
Can I use this alarm in areas with high humidity?
Answer: The First Alert Combination Alarm can be used in areas with high humidity, like bathrooms, but it is best to avoid direct exposure to moisture. Install the alarm nearby, outside of humid zones, to prevent false alarms due to steam. This placement helps in maintaining the alarm's reliability without sacrificing functionality. -
Question:
Is this alarm suitable for larger homes?
Answer: Yes, the First Alert Combination Alarm is suitable for larger homes. However, multiple alarms may be necessary to ensure adequate coverage in every room, especially in large or multi-story homes. Installing alarms in key locations such as hallways and near bedrooms enhances safety and provides peace of mind throughout the entire living space. -
Question:
How do I maintain the First Alert Combination Alarm?
Answer: Maintenance is simple for the First Alert alarm. Regularly test the device using the test button, clean the alarm with a soft cloth to remove dust, and replace the batteries annually or as needed. Additionally, replace the entire unit every 5 to 7 years to ensure optimal safety performance and reliable detection. -
Question:
What should I do if the alarm goes off?
Answer: If the First Alert alarm goes off, treat it seriously and immediately evacuate your home. Follow emergency protocols, such as calling emergency services. After ensuring everyone's safety, investigate the cause. If it's a false alarm, address the source, but if smoke or carbon monoxide is present, follow safety procedures for those situations. -
Question:
Where can I buy the First Alert Combination Smoke & Carbon Monoxide Alarm in UK?
Answer: You can buy the First Alert Combination Smoke & Carbon Monoxide Alarm at Ubuy in UK. Ubuy offers a reliable platform for purchasing this essential safety device, ensuring you have access to quality products that help protect you and your loved ones from fire and carbon monoxide hazards.
First Alert Combination Smoke & Carbon Monoxide Detectors SMCO100 Editorial Review
First Alert Battery Combination Smoke & Carbon Monoxide Alarm is designed for easy installation and effective detection, powered by a 9-volt battery. Users appreciate its straightforward setup and reliable function, making it a recommended choice among those replacing older units. However, there are concerns about its sensitivity, as some reviews note delayed responses to smoke. This alarm serves dual purposes, detecting both smoke and carbon monoxide. It is important to remember that when it does malfunction, there might be no way to troubleshoot or replace the battery, leading to potential frustration. Nonetheless, many users find it a solid backup for safety in homes.
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Pros
- Easy to install and setup
- Works reliably most of the time
- Dual smoke and CO detection
- Compact design fits in small spaces
- Good battery life noted by users
Cons
- Delayed response in specific smoke tests observed
Platform Trust & Buyer Confidence
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“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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GBP 411
Excluding VAT : VAT will be calculated on the checkout page
Order now and get it around Tuesday, September 15
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
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Features & Benefits
- Equipped with First Alert's Precision Detection advanced sensing technology
- Meets new industry standards for reduced cooking nuisance alarms
- Easy to install and maintain with battery operation
- End-of-life warning for timely replacement
- Test/silence button for efficient testing
- Ensures early warning in case of a home fire emergency
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