When armed, motion triggers will be sent to your smart device by text or email. This way, if anyone attempts to break in, you will be alerted right away. Many home sensors also feature indoor sirens that provide visual and audio warnings when a triggering event occurs. 4. Smart Garage systems: Controlling your garage is easier than ever with smart garage systems. They work by plugging a network adapter into your home router, and then registering the unit with a provider.