Purpose: Providing device functions (video calls, Drop In), personalization (Visual ID)

Data storage: Visual ID is only stored on device and not sent to the cloud. Records of calls and Drop Ins are stored linked to your account, but recordings are not created or stored.

Sharing: If Drop In is enabled, other members of your home can view the camera.

Purpose: Providing device functions (Alexa, sound detection, Drop In), personalization, research

Data storage: Amazon stores records of your Alexa interactions linked to your Amazon account. Recordings are stored in cloud by default; recordings can be deleted and storage disabled in the Alexa app. Transcripts are stored for at least 30 days. Recordings are stored if you opt in to Improve Siri and Dictation. Data collected is used for personalization and product improvement.

Sharing: If Drop In is enabled, other members of the home can listen in on the microphone. Amazon does not specifically mention whether microphone data is shared with other companies.

Echo (4th Gen), Echo Dot (4th & 5th Gen) and Echo Spot (2024 release) devices have an ultrasound motion sensor.

Many smart devices also include diagnostic sensors, such as an internal temperature sensor to determine device is overheating.

Purpose: Providing device functions{% if device_info.is_echo or not device_info.is_known_device%}, personalization (Occupancy Routines and Alexa Together){%endif%}

Data storage: Amazon does not specifically mention how other sensor data is stored.

Sharing: {% if device_info.is_echo or not device_info.is_known_device %}If Occupancy Routines or Alexa Together are enabled, ultrasound sensor data may be shared with other people you are sharing the Alexa device with. {%endif%}Amazon does not specifically mention whether other sensor data is shared.