If the user has a HomeKit camera connected in the same space, the notification will include a video feed of the incident. To safeguard user privacy, all audio analysis occurs on the device, and checking in to hear the audio is end-to-end encrypted. Siri will also announce to anyone at home that the user is checking in.
Apple recommends adding an extra layer of protection by setting up an automation that will turn on any HomeKit-compatible smart fans and open smart blinds if the indoor temperature rises above a certain threshold. The feature uses built-in temperature and humidity sensors on the smart speakers.