2-in-1 Protection: Protect your home from two potentially deadly threats with the electro-optical smoke sensor and electrochemical CO sensor equipped in this smoke and CO detector.
Built-In 10-Year Battery: Enjoy uninterrupted 24/7 protection with the built-in 10-year lithium battery that eliminates the need for frequent battery changes and saves you the hassle.
High Sensitivity & Accuracy: Feature faster response times and fewer false alarms with the upgraded photoelectric and electrochemical sensors that significantly improve alarm sensitivity.
Ultra-Thin Design & Large Button: Compact at Ø 4.7 x 1.1 inches, this slim carbon monoxide smoke detector combo is perfect for travel. Muting or testing the alarm is a breeze - simply press the cover with a broom (the button is the entire top cover).
Quick Installation: Simple installation of this smoke and carbon monoxide alarm on any wall or RV using the provided adhesive tape or screws.

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