The full file.

WanderCare — Product Spec

WanderCare is a camera-free home safety kit we're building and will install ourselves, sized to each home. Radar and door sensors report to one home hub, which alerts the people the older adult chose. It's a prototype, not a medical device, and fall detection hasn't been tested in a real home yet. Anything marked planned isn't built.

Sensing layer

• mmWave radar presence & fall sensing. Watches for a fall (the sensor must be on the ceiling for this), a long stretch with no movement, and room presence. No camera. Fall detection is the next thing we test.
• Environmental sensors (planned). Smoke, carbon monoxide, extreme temperature, water/leak, and air quality.
• Door sensing. Door open and close alerts, for example a door left open at night.
• No cameras. The kit doesn't include any, in any room.
• Wearable trend signals (planned). Optional, from devices the person already owns. Trend-grade, not diagnostic.

Hub and data

• One home hub collects sensor events and decides who gets alerted.
• The hub and its alert rules run in the home, but the Aqara radar sensors are set up through Aqara's app and cloud, and Aqara's cloud may process sensor data, including for fall detection; we haven't confirmed which parts work without the internet.
• Planned data path: the radar sensors join the home Wi-Fi and are paired once in Aqara's app with an Aqara account, the door sensors talk straight to the hub over Zigbee, and the hub reads the radar over the home network and sends alerts to the chosen people's phones over the home internet.
• Planned: for each contact we'll store only the name they go by and how to reach them. No gender field.
• Data is never sold and never used to train models.
• Planned research: comparing the sensor's built-in fall detection with a research radar on the wall, including slow slides from a chair to the floor.

Escalation

Planned design. Alerts go to the people the older adult picked, in the order they set. Nothing goes to a call center unless they choose one. The hub never calls 911 or the police itself: alerts go to the people the older adult picked, one of them calls 911 if it's needed, and the older adult can choose to stop at their people instead.

Tier	Who is reached	Path
1	Chosen support network (elder-ordered list)	Home internet (cellular and mesh backup planned)
2	Secondary contacts / on-call support	Fallback path if Tier 1 unacknowledged
3	Social worker or community contact (only if the older adult adds one)	If earlier contacts don't answer
4	Emergency services (911)	Called by one of the older adult's people if it's needed, never by the hub. The older adult can choose to stop at their people. WanderCare doesn't replace calling 911.

Privacy and control

• No cameras, in any room.
• The older adult decides what's watched and who's told, in writing, during a walkthrough of their home.
• Planned: a privacy dial and a physical off-switch only the older adult controls, with no remote override by family or server.

Resilience

• Planned: cellular and local-mesh backup so alerts still go out when home internet is down or a power cut outlasts the battery backup. Not built or tested yet.
• Every kit includes a battery backup, and the pilot will test what keeps working when the power or the internet goes out.
• Until that backup exists, alerts depend on the home's internet connection.

Planned tier comparison

Capability	Essential	Complete	Concierge
Radar watching for a fall or no movement (testing next)	✓	✓	✓
Door open and close alerts	✓	✓	✓
Smoke / CO / temp / water alerts (planned)	✓	✓	✓
Alerts to the people they pick	✓	✓	✓
Medication reminders & daily check-ins (planned)	—	✓	✓
Wearable trend signals (planned)	—	✓	✓
Offline backup + remote support (planned)	—	✓	✓
Annual in-home check-in (planned)	—	—	✓
Support for homes with paid aides (planned)	—	—	✓
Local-mesh backup + weekly system checks (planned)	—	—	✓

Prices will be set from what the pilot installs actually cost, with each kit sized to the home. Ask about pilot homes →

Status

WanderCare is a prototype and pre-revenue, with no customers yet. A radar sensor is reporting into the hub in one test home; testing fall detection is next. Once funded, a 3-month pilot in 6 DC and Maryland homes follows. We do not publish testimonials, pilot satisfaction figures, or ship dates we have not earned.

Access

WanderCare is being built as a commercial product, and we will install it. Helping low-income older adults get it through grants is a goal, not something we offer yet.

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