2 in 1 Smoke and Carbon Monoxide Detectors, Battery-Operated (Battery not Included) Smoke Detector and CO Detector with 10-Year Sensor, Sound Warning and LCD Display for Home and Travel.

Price: $19.99
(as of Jan 07, 2026 15:33:52 UTC – Details)

From the brand

Shyeeh, the guardian of safety since 2023. We are dedicated to developing carbon monoxide alarms that provide consumers with peace of mind. With high sensitivity, low false alarms and high cost-effectiveness, we strive to make every product precise and accurate to protect the safety of every family. Choose Shyeeh, choose a peace of mind and responsibility.

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【SHYEEH 2-in-1 Smoke and Carbon Monoxide Detector】This detector provides dual protection for your home by simultaneously monitoring smoke and carbon monoxide. Its core sensor ensures stable performance for up to 10 years.
【Smart Energy-Saving Design with Optimized Sensor Algorithm】Featuring a screen sleep mode to conserve energy, the high-definition display activates only when risks are detected, showing real-time concentration levels. The optimized sensor algorithm helps distinguish real fire emergencies from common nuisances like cooking fumes, significantly reducing false alarms for reliable peace of mind.
【Clear Status Indicators for Quick Hazard Identification】Four indicator lights allow you to quickly identify whether an alert is triggered by smoke or carbon monoxide, clarifying the source of danger for appropriate action. Regular audible and visual low-battery reminders ensure timely battery replacement.
【Secure Installation Design, Ready to Use Immediately】Equipped with a safety lock pin to prevent accidental detachment after installation. Use the included screws and wall plugs to easily mount the detector on walls or ceilings. Powered by 2 AA (1.5V) batteries—no professional wiring required for simple setup (batteries not included).
【Accurate Graded Alerts for Comprehensive Protection】An 85dB alarm will sound within 120 minutes when carbon monoxide concentration reaches 100ppm. At 150ppm, it triggers an immediate 85dB alarm. Smoke concentration at 4% db/M also activates an instant 85dB alert. With coverage for 215–430ft² (20–40㎡) spaces, it delivers thorough safety protection without blind spots.