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The Spatial Multi-Sensor FP400 is a ceiling- or wall-mounted presence sensor built on 60GHz mmWave radar. It splits a room into independent custom zones and tracks up to 10 people at once, so automations can react to where people are and how many there are. Three sensitivity levels and AI background learning cut false triggers from curtains and still bodies. It connects over Matter over Thread or Zigbee, which suits Home Assistant, SmartThings and other Matter hubs rather than Wi-Fi-only setups.
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Lowest price we've seen: $79.99 on Nov 12 at Amazon. Tracked across 1 store since Nov 12.
The Spatial Multi-Sensor FP400 is a presence sensor that uses 60GHz mmWave radar. One unit can split a large space into independent custom zones and track the number of people in it, up to 10. Automations can use a person's location, the zone and the occupant count. For example, lights can come on at the kitchen island when someone approaches, dim over the sofa when one person is lying down, or the A/C can adjust to how many people are in a room.
The radar has 5x the point-cloud density of previous generations. It combines AI background learning with 3 adjustable sensitivity levels. Higher sensitivity picks up micro-movements in study or reading zones, and lower sensitivity filters out environmental noise in high-traffic areas. This reduces false triggers from things like a blowing curtain.
AI-enhanced software identifies room boundaries and entrance and exit doors, and learns to exclude background noise in real time. Custom automation zones can be defined in under a minute. The sensor has a 120° field of view and a magnetic base. It can be mounted on a side, in a corner or on the ceiling.
