SimpliSafe Smoke & Carbon Monoxide Detector

Instant alerts - even when youre not home - Get alerted to dangerous levels of smoke or CO in your home in real time on your phone with the SimpliSafe app.
Protected by professionals, 24/7 - With the Gen 3 SimpliSafe security system, the Smoke & Carbon Monoxide Detector alerts our 24/7 professional dispatch whenever theres a threat to your home, ensuring fast emergency response. Emergency dispatch is available with select monitoring plans.
2-in-1 hazard detection - The combined smoke and CO detector senses dangerous levels, so you cut down the number of sensors you need to keep your family safe.
Ignores burning food - This detector is engineered to tell the difference between dangerous smoke and burning food, so it can tell when its an actual emergency.
Built-in internal siren - This combination detector features a built-in siren and will trigger the siren in the Base Station as well.
Early warning notifications - Receive an early warning through the Base Station if smoke is sensed in your home.
Thoughtful system notifications - Always stay in-the-know with detailed information about your homes status sent straight to your phone. And daily system checks make sure the detector is working properly.