How Your Echo "Alexa Guard" Can Protect Your Home | ITechBrand.com

Here we can see, "How Your Echo "Alexa Guard" Can Protect Your Home"

Alexa Guard may be a new free service from Amazon for Amazon Echo users. Once you enable Guard, your Echo devices start listening for the sound of glass breaking or smoke and carbon monoxide gas alarms. If an Echo detects any of these noises, it'll send you an alert.

Amazon accomplishes this feat by altering the wake word behavior for your Echo devices.