
Eufy Security - Alarm Module - Smoke and Carbon Monoxide Alarm Listener
Eufy Security - alarm module - smoke and carbon monoxide alarm listener
Enhance your home’s safety with instant alerts from your existing smoke and CO detectors—made smarter with the Eufy Security Alarm Listener.
The Eufy Security Smoke and CO Alarm Listener instantly alerts you through the eufy Security app whenever your existing smoke or carbon monoxide detectors sound an alarm. While it does not detect fire, smoke, or carbon monoxide itself, it works seamlessly with UL-listed detectors less than 10 years old to enhance your home’s safety.
Installation is quick and tool-free, requiring only a compatible HomeBase (S380 or S280). You can easily manage everything from the eufy Security app, from receiving notifications to checking battery status. With up to two years of battery life and replaceable batteries, this device offers reliable protection and peace of mind with minimal maintenance.
SPECIFICATIONS:
Brand: eufy Security
Color: White
Power: Battery powered
Battery Life: 2 years
Connectivity: Sub-1G (Range estimated at up to 650 ft or 200 m from HomeBase.)
Dimensions: 2.6×2.6×1.1 in
Operating Temperatures: 14°F to 122°F (-10°C to 50°C)
Setup Requirements: The installation location needs to be within 20 cm of your smoke or CO alarm.
WHAT’S IN THE BOX:
1 × Smoke and CO Alarm Listener
2 × AA Batteries (pre-installed)
1 × User Manual
1 × Mounting Accessories (adhesive/tape)
Pairs well with

Eufy Security - Alarm Module - Smoke and Carbon Monoxide Alarm Listener
Shop the Collection

Excellence in Every Stitch
Attention to detail is at the heart of everything we do. Our caps are built to deliver unmatched quality, from durable fabrics to precise finishes, so you can rely on them day after day.
FAQs
Please read our FAQs page to find out more.
What materials are your caps made from?
Our caps are crafted from premium fabrics designed for durability, comfort, and long-lasting style. Each cap undergoes careful quality checks to ensure you get a product that feels as good as it looks.
How do I know which size will fit me?
Most of our caps feature adjustable straps to provide a comfortable fit for a variety of head sizes. Check the product page for specific sizing details to ensure the perfect fit.
How long will it take for my order to arrive?
Orders are processed within 1–2 business days and typically arrive in 2–4 business days within the U.S. You’ll receive a tracking number once your order ships so you can monitor its progress.
What is your return and refund policy?
We offer free returns within 30 days of delivery. There are no restocking fees, and all items are eligible. Refunds are processed to your original payment method within 5–14 business days after we receive your returned item.
Are your caps suitable for outdoor activities?
Absolutely! Our caps are designed with both style and functionality in mind. They’re breathable, comfortable, and durable, making them perfect for city adventures, sports, and everyday wear.





