Heiman Matter Carbon Monoxide Detector, Smart Portable CO Alarm UL 2034 4th Certified, Figaro Sensor, Battery Powered Mini Fire Detectors for Travel, RV, Compatible with Smartthings, Home Assistant

Trusted Protection, Recognized Excellence — UL 2034 (4th Ed.) Certified and CSFM Approved for dependable residential CO safety. Winner of the Red Dot Design Award, delivering reliable performance in a sleek, modern form. 

Smart CO Protection with Matter (Thread, Not Wi-Fi) — Stay protected with next-generation carbon monoxide detection. Built with Matter over Thread, this carbon monoxide detector is compatible with Apple Home, SmartThings, Home Assistant, Google Home, and Alexa. A compatible Matter hub with Thread Border Router is required for smart connectivity (not included). 

Real-Time Mobile Alerts Anywhere — Receive instant carbon monoxide alerts on your smartphone through your smart home app, such as SmartThings or Home Assistant. Stay informed whether you’re at work or traveling. Remote alerts require a compatible Matter hub with Thread Border Router and an active internet connection. 

Automate Your Safety — When CO is detected, trigger smart home actions such as turning on lights, activating exhaust fans, or creating custom emergency scenes for added protection. 

Japan-Made FIGARO TGS5141 Sensor — Equipped with a premium FIGARO (Japan) TGS5141 electrochemical CO sensor, engineered for up to 10 years of long-term stability and dependable performance. Unlike low-cost semiconductor sensors that may be affected by humidity, temperature fluctuations, this advanced electrochemical design with solid-state electrolyte technology helps minimize nuisance alarms while maintaining consistent detection sensitivity. 

Long-Lasting Power & Flame-Retardant Housing — Includes a CR123A lithium battery for up to 5-year runtime, delivering reliable protection even during power outages. UL94 V-0 flame-retardant ABS+PC housing adds heat resistance and long-term durability. 

Easy to Install & One-Touch Control — No wiring needed. Mount with screws or included magnetic adhesive pads for a quick, damage-free setup — perfect for apartments and rentals. Test/Silence button lets you run quick checks and temporarily hushes nuisance alarms (4 minutes) or low-battery chirps (up to 12 hours). 

Compact Protection for Home & Travel — Sleek, space-saving design fits effortlessly into houses, apartments, and RVs without taking up valuable space.Ideal for homes, apartments, bedrooms, living rooms, basements, garages, offices, RVs, campers, motorhomes, and travel use, providing reliable carbon monoxide monitoring wherever life takes you — at home or on the road.