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Aqara FP2 Presence Sensor: Why It's Not Just a Motion Sensor

2026-05-01 9 min readITNET
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What "Presence Sensor" Means

Regular PIR sees only movement. Sit still 5 min → "no one home" → light off. Annoying.

Presence sensor (mmWave radar) sees human presence even motionless. Aqara FP2 = 60 GHz mmWave + PIR + light sensor.

Difference

Office, 2-hour computer session:

  • PIR: micro-movements keep on. 5 min deep reading = off. Annoying.
  • FP2: detects breathing/micro-motion. Light stays on. Leave → 30 sec → off.
  • Bedroom sleeping:

  • PIR: motionless = off. Child cries → light hits eyes.
  • FP2: knows you're in bed → 5% nightlight → ramp up gradually.
  • What FP2 Can Do

  • 30 virtual zones
  • Count people (1, 2, 3+)
  • Pose (sitting/standing/lying)
  • Light level
  • 0.5m precision
  • Specs

  • Range: 8m
  • FOV: 100° H, 40° V
  • 5V USB-C
  • Wi-Fi 2.4 GHz + BT
  • Aqara Home, HomeKit (via M100), Matter
  • Real Scenarios

  • Office — on when seated, off 30s after leaving
  • Living room — different lighting per zone
  • Bedroom with kid — 1 sleep, 2 dim light, 3 calm mode
  • Office space — people count, virtual "busy" sign
  • Overkill For

  • Hallway, bathroom, balcony (PIR fine)
  • Outdoor (IP20)
  • Pitfalls

  • Price 600-800k UZS, 2-3× PIR
  • Hub needed for HomeKit
  • Microwave/60GHz interference (rare)
  • Zone setup 30-60 min
  • Sees through curtains/thin walls
  • Competitors

    SensorTechPriceEdge FP2mmWave+PIR600-800kZones, count FP1mmWave400-500kCheaper P2PIR+microwave300-400kBudget Sonoff SNZB-06PmmWave350-500kAlt

    Zones/count → FP2 only. Just presence → FP1 or alts.

    Mounting

  • Ceiling — best
  • Wall 2.2-2.5m — OK, half blind spot
  • Above door — hallway
  • Avoid behind TV (reflections).

    Bottom Line

    For smart lighting, not reactive.

    Buy: office, multi-zone living, bedroom with kids, office analytics.

    Don't: hallway, bathroom, budget setups.

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