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Summary
A camera-free 60 GHz mmWave presence sensor that tracks up to 10 people across up to 8 detection zones in a room of up to 8 × 10 m. Built-in light sensor, local AI filtering for pets and robot vacuums, USB-C powered and IPX5 rated. Works over Zigbee or Matter over Thread.
The Aqara Spatial Multi-Sensor FP400 is an advanced presence sensor for larger rooms and open-plan spaces. Using 60 GHz mmWave radar, it knows not just whether someone is in the room but where they are, tracking up to 10 people at once across a detection area of up to 8 × 10 metres. It works without a camera, so it is privacy-friendly in living areas, bedrooms and offices.
Divide a room into as many as 8 separate zones on a 0.5-metre grid, such as the sofa, the dining table, the desk or the doorway, and trigger different automations in each. Turn on the reading lamp when someone sits in the armchair, dim the main lights when you settle on the sofa, or adjust heating and cooling only where people actually are.
The FP400 follows the position of up to 10 people in real time and can report how many are in the room. Local AI filtering reduces false triggers from pets, robot vacuums and other moving objects, so lights stay on while people sit still and switch off reliably when the room is empty. Sensitivity and absence delay can be adjusted for each space.
An integrated ambient light sensor lets you combine presence and brightness in one automation. Only switch the lights on when someone enters and the room is actually dark, or close the blinds when sunlight floods a busy room. With a wide 120° horizontal and 100° vertical field of view, one sensor can cover a whole living area.
Mount the FP400 on a wall, in a corner or on the ceiling using the magnetic mount. It is powered continuously over USB-C (5 V, 1 A), so there are no batteries to change and it is always ready to respond. It measures just 64 × 64 × 29.5 mm and is IPX5 water-resistant, so it can also be used in damp indoor areas such as bathrooms.
The FP400 supports both Zigbee and Thread. Use it with an Aqara Zigbee hub for the full set of zone and tracking features, or add it to Apple Home, Google Home, Amazon Alexa, SmartThings or Home Assistant through Matter (a Matter controller and Thread border router are required). Please note a USB power adapter is not included, so you will need a spare USB plug.
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We offer a no questions asked express return service. So, if you try Zigbee Aqara Spatial Multi-Sensor FP400 Kit and find it's not compatible with your system, you can easily return it.
Our team of experts is available to assist you with any technical questions you may have via email and live chat.
While we don't offer direct installation services, we provide comprehensive online support through guides, videos, and access to our experts via email and chat. If you need an installer, we can often help connect you. With advancements in smart home tech, most of our products can be self-installed with guidance.
We have experts who frequently use these products in their own homes, and they are well-acquainted with the ins and outs. This means we can provide unparalleled guidance and troubleshooting. You won't find this level of hands-on expertise at any other store.
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