How to Setup Alexa Guard
- Open the Alexa app on your smartphone. 
- Tap on the Menu button in the bottom-left corner of the app, and select Settings at the bottom of the menu. 
- Scroll down to the Alexa Preferences section and select Guard. Next, when the new introduction screen that pops up, tap Set Up Guard. 
- Smoke and CO alarms: This lets Alexa listen for beeping alerts. It then sends you a text, letting you know a smoke alarm is going off in your home.Glass breaking: Just like smoke alarms, Alexa can listens for sound of breaking glass. Alexa then notifies you that their might be a break in ongoing at your house.Away lighting: If you have smart lights installed in your home, Alexa can control them in a natural way so that it looks like someone is at home when you’re away. 
- Finally, whenever you are leaving your home, just say, “Alexa, I am leaving,” and Alexa will turn on the Guard setting. And when you get back, simply say, “Alexa, I’m home,” and Alexa will immediately turn Guard off.