Heiman Smart Carbon Monoxide Detectors, Real-Time Notifications, 2.4 GHz Wi-Fi, UL 2034 5th Certified, CO Detector Battery Powered, Small CO Alarm for Home Hotel Rental Apartment, C1-W 3 Pack

Price: $69.99
(as of Oct 11, 2026 03:11:44 UTC – Details)

Product description

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Customer Reviews

4.4 out of 5 stars 135

4.4 out of 5 stars 129

4.4 out of 5 stars 43

3.6 out of 5 stars 81

3.5 out of 5 stars 78

3.7 out of 5 stars 22

Price

$28.99$28.99

$24.98$24.98

$86.99$86.99

$37.99$37.99

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$47.99$47.99

Detection Type

Carbon Monoxide

Smoke

Carbon Monoxide

Smoke

Carbon Monoxide

Carbon Monoxide

Power Source

10-Year Battery

10-Year Battery

10-Year Battery

5-Year Battery

5-Year Battery

5-Year Battery

Included Components

Battery

Battery, Adhesive

Battery, Adhesive

Battery

Battery

Battery

APP Control

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Included Components

1 Detector

1 Detector

1 Detector

1 Detector

1 Detector

1 Detector

【Triple-Certified Safety】: ETL Listed, UL2034 (the U.S. exclusive CO alarm standard), and FCC certifications, U.S. safety compliant,More reassuring for family use
【Remote Notification】: Monitor and control with phone via Tuya and Smart Life appenabling real-time alerts anytime, anywhere. The also supports self-diagnostic functions.The CO detector connects to 2.4G Wi-Fi
【Smartphone Connectivity & Remote Alerts】: Ready to set up? Check out the network guide included in the box (hang on to it—you might need it later!). Follow the simple steps to link your alarm to the via Wi-Fi. Once set up, you’ll receive real-time safety alerts directly to your phone, giving you peace of mind whether you’re at home, at work
【No Frequent Battery Replacements】: The sensor has a lifespan of up to 10 years, paired with battery that lasts, eliminating the hassle of frequent battery replacements. The alarm features a low-battery warning function, promptly reminding you to replace the battery or the CO alarm
【Japan-Made FIGARO TGS5141 Sensor Inside】: Our CO detector uses the TGS5141 sensor from FIGARO Japan, a global leader in gas-sensing technology. Unlike low-cost semiconductor sensors that can be affected by humidity, rapid temperature changes, or nearby gas appliances and trigger unnecessary alarms, the 10-year TGS5141 features a proven electrochemical design with a solid-state electrolyte for long-term stability. It delivers a linear response from 0–5000 ppm, providing precise CO level tracking and reliable performance even during sudden temperature or humidity changes. This advanced technology reduces false alerts while keeping your family protected from dangerous carbon monoxide levels
【Simple Installation】: This compact device can be easily wall-mounted or placed on a desk, making installation quick and straightforward
【For Home or Multiple Scenarios】: Suitable for use in residential environments such as bedrooms, kitchens, garages, and attics; It is ideal for enclosed spaces like hotels. Carrying this compact CO alarm will provide added peace of mind
【Dedicated Support & 7-Year Warranty】: We stand by our smart CO alarm with a 7-year warranty and lifetime technical support. If you need help with Wi-Fi setup, pairing, or have maintenance questions, our team is ready to assist. Simply visit Your Orders on Amazon, find your purchase, and select Contact Seller for quick, hassle-free help. We’ll resolve any issues promptly—no questions asked. Your peace of mind is our priority
Customers give mixed feedback about the carbon monoxide detector’s functionality, with some saying it works great while others report issues. The compatibility receives mixed reviews, with several customers noting it’s not compatible with SmartThings.