Key features

• •Instant alerts - even when you're not home - Get alerted to dangerous levels of smoke in your home in real time on your phone with the SimpliSafe app.
• •Protected by professionals, 24/7 With the latest SimpliSafe security system, the Smoke Detector alerts our 24/7 professional monitoring center whenever there's a threat to your home, ensuring fast emergency response (with select monitoring plans).
• •Thoughtful system notifications - Always stay in-the-know with detailed information about your home's status sent straight to your phone. And daily system checks make sure the detector is working properly.
• •Simple setup - You don't need any wiring to set it up. Just screw the wall anchor to your ceiling and snap the detector into place.
• •Pro Tip: For extra protection, put one on each level of your home and in sleeping areas.
• •1 CR-123A Lithium 3V battery (included)