Most of the smoke detectors we reviewed also monitor your home for dangerous levels of carbon monoxide in addition to smoke. Mobile AppEach of the smoke alarms we tested can connect to a mobile app, either through Wi Fi, Bluetooth or a smart home hub. The app helps the smart smoke detector track battery life and sends you notifications to replace the battery before it starts to chirp in the middle of the night. It also lets you monitor conditions in your home, hush false alarms and test your devices remotely. If something happens when you’re not home, you receive an alert on your smartphone. Smart Home CompatibilityEach smart smoke alarm in our comparison can be used as part of a larger smart home system. If you already have a smart hub in your home, make sure the smoke detector you buy is compatible. For example, you can create rules to have the lights turn on when motion is detected, have your doors unlock when a smoke alarm goes off, and have a camera begin recording when a sensor is triggered.Some systems store recorded video locally on an SD card or a solid state drive, while others offer cloud storage.Locally stored video is a good choice for do it yourselfers on a budget, but you have to be careful not to Lunaoverwrite video you may need later.Cloud Pandostorage makes it easy to store and access recorded video, but Alarm Panel it can cost hundreds of dollars per year depending on your subscription.Some Motion Activated Camerasystems offer both cloud storage and local storage, Cove Alarm Paneland some provide a dedicated storage drive that gives you DVR capabilities with time lapse recording, which makes it easy to find a video event that took place at a specific point in time.All of the systems we've Cove Glass break sensortested feature an app that lets you use your smartphone as yourYoutube command center to arm and disarm the system, create rules, add and delete components, and receive push notifications when alarms are triggered.Most apps also allow you to do things like view live and recorded Appvideo, lock and unlock doors, indeedchange thermostat settings, and silence alarms.Some apps will even use your phone's location services to glassdoorautomatically arm and disarm the system according to your physical location.The more expensive systems usually come with a wall mounted Linkpanel that acts as a communicationsLink hub, with a touch screen display that allows you to do everything the app does.The display lets youLink communicate with a professional monitoringLink service when an alarm is triggered and view video from any of the installed security cameras.While many systems use wireless components that are installed using double sided tape, some high end systems use components that require professional Linkinstallation.The best devices work with a variety of platforms like Nexia, Vera, Wink, Google Home, Apple HomeKit and more. More Smart Home Guides:The Best Smart Door LocksThe Best Smart ThermostatsThe Best Home Security SystemsThe Best Home Security CamerasThe Kidde RF SM DC Est. $35 is a top choice in this category. Also known as the Kidde 0919 9999, the RF SM DC has been professionally tested by Consumer Reports.