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Aqara Presence Sensor FP2 vs SONOFF SenseGuard Presence Core Sensor

The Aqara FP2 is the stronger sensor: wider coverage, more zones, multi-person tracking, fall detection and native HomeKit, Alexa and Google support. The SONOFF SenseGuard is a smaller, simpler Zigbee sensor that works well for lighting automation if you already run a Zigbee hub. Reviewers praise the FP2's accuracy and Home Assistant integration but note occasional delays and one failed install; SONOFF owners like the basic detection but report missed still presences and fiddly Home Assistant setup.

  • Choose the Aqara Presence Sensor FP2 if you want room-scale coverage, multiple zones, multi-person tracking, fall detection or direct Wi-Fi with HomeKit and Alexa.
  • Choose the SONOFF SenseGuard if you already have a Zigbee hub, need a compact sensor for one small area and want a Zigbee router that also reads ambient light.

Prices

  • Aqara Presence Sensor FP2: $39.99 at eBay (last seen Nov 9)
  • SONOFF SenseGuard Presence Core Sensor: $24.39 at Walmart (last seen Nov 10)
  • Difference: the SONOFF SenseGuard Presence Core Sensor is $15.60 cheaper than the Aqara Presence Sensor FP2 at the latest prices (Nov 9 and Nov 10)
Aqara
Aqara Presence Sensor FP2

Aqara Presence Sensor FP2

$39.99at eBayChecked Nov 9
See all prices and details
Visit eBay

Store links may earn us a commission.

Pros
  • Wide room coverage from one sensor
  • Up to 30 zones with per-zone automations
  • Tracks up to five people at once
  • Fall detection when ceiling-mounted
  • Works with HomeKit, Alexa, Google and Home Assistant
Cons
  • Needs constant USB power, adapter not included
  • Wi-Fi only on 2.4 GHz, must sit near the router
  • Some users report a few-second delay
  • Installation failed for at least one shopper
SONOFF
SONOFF SenseGuard Presence Core 24GHz Zigbee Human Presence Sensor

SONOFF SenseGuard Presence Core Sensor

SONOFF SenseGuard Presence Core 24GHz Zigbee Human Presence Sensor

3.8(23 ratings)
$24.39at WalmartChecked 10 h ago
See all prices and details
Visit Walmart
Pros
  • Compact and easy to reposition with the magnetic base
  • Ambient light sensing helps lighting automations
  • Acts as a Zigbee router to extend the mesh
  • Seven zones you can toggle in the app
Cons
  • Needs a Zigbee gateway you may not own
  • Short 4 m range and weaker still-presence detection
  • Owners report lights turning off while people are present
  • Home Assistant setup described as cumbersome

What separates them

Aqara Presence Sensor FP2SONOFF SenseGuard Presence Core Sensor
ConnectivityWi-Fi 2.4 GHz, no hub neededZigbee, requires a Zigbee gateway
Detection rangeUp to 40 sq m (430 sq ft) per sensorUp to 4 m, still detection within 3 m
ZonesUp to 30 configurable zonesSeven independent zones
People trackingDetects up to 5 people at oncePresence detection, no multi-person tracking
Fall detectionYes, when ceiling-mountedNo
EcosystemsHomeKit, Alexa, Google Home, Home Assistant, IFTTT, MatterZigbee hubs and Home Assistant via Zigbee integration
MountingWall or ceiling mount, fixed angleMagnetic base, desktop, wall, ceiling or embedded, 360° head
Extra featuresIPX5 water resistance, interference zones, pet filterAmbient light sensing, acts as Zigbee router

Price history

$63.35$24.39
Oct 31Nov 11
  • Aqara Presence Sensor FP2: lowest $29.99 on Nov 9 at eBay; $63.31 on Nov 11.
  • SONOFF SenseGuard Presence Core Sensor: lowest $24.39 on Nov 11 at Walmart.

Prices at every store

Aqara Presence Sensor FP2

  • WiFi-Stock.comNew

    In stock

    $63.31Checked 10 h ago
    Visit WiFi-Stock.com
  • Techinn.comNew

    In stockShips from abroad · duties may apply

    $74.99+ $16.99 shippingChecked 10 h ago
    Visit Techinn.com
  • eBayNew

    Availability unknownSold by cluttertocashllc (99.6% positive, 1,500 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $39.99Free shippingChecked Nov 9
    Visit eBay
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $67.99Free shippingChecked 10 h ago
    Visit Amazon

Also available at

  • Aqara LLCCheck price at Aqara LLC
  • eBayCheck price at eBay
  • VeltrixCheck price at Veltrix

Store links may earn us a commission.

All 13 stores and price history →

SONOFF SenseGuard Presence Core Sensor

  • SONOFFNew

    In stockReturn policy

    $24.90Checked 10 h ago
    Visit SONOFF
  • WalmartNew

    Availability unknownSold by Seller

    $24.39Checked 10 h ago
    Visit Walmart
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $24.90Checked 10 h ago
    Visit Amazon
  • AmeridroidNew

    Availability unknown

    $28.95Checked 10 h ago
    Visit Ameridroid

Also available at

  • ameriDroidCheck price at ameriDroid
  • Sonoff OfficialCheck price at Sonoff Official

Specs compared

SpecAqara Presence Sensor FP2SONOFF SenseGuard Presence Core Sensor
ConnectivityWi-FiZigbee
Monitoring TypeSelf-Monitored—
Self MonitoringYes—
Monitoring HighlightsLow Battery Indicator—
Professional MonitoringNo—
Alarm TypeFall detection alarm—
SirenNo—
Surveillance TypeMotion detection—
RecordingNo—
Cloud StorageYes (connects to Aqara cloud)—
Protection AreaRoom—
Visual AlertLED indicator—
Show all 34 specsShow fewer specs
SpecAqara Presence Sensor FP2SONOFF SenseGuard Presence Core Sensor
Wireless TechnologyWi-Fi—
Assistant SupportAlexa, Google Home, Home Assistant, HomeKit, IF…—
Wireless Range15 Meters—
Wi-FiIEEE 802.11 b/g/n 2.4 GHz—
System TypeSensor—
ComponentsUser manual, Metal Plate, Presence Sensor FP2, …—
ColorWhite—
DurabilityIPX5—
LocationIndoor—
Material

What reviewers say

Aqara Presence Sensor FP2

Reviewers who successfully set up the FP2 praise its easy installation, accurate presence detection, and Home Assistant integration. However, some users report occasional delays and installation difficulties.

What people mention
  • SetupMixedMany find installation easy via the app, but one shopper could not complete installation across multiple routers.
  • AccuracyPraisedReviewers report accurate presence detection, even for stationary people.
  • IntegrationPraisedWorks well with Home Assistant, according to reviewers.
  • DelayCriticisedOne shopper notes an occasional few-second delay in detection.

SONOFF SenseGuard Presence Core Sensor

  • 3.8 / 523 ratings

Owners who get it working call it a capable presence sensor that detects people and not much else. Others report unreliable presence, with lights switching off on people who are still, and a cumbersome Home Assistant setup.

What people mention
  • Presence accuracyCriticisedOwners say it sometimes decides nobody is present while a person is still in the room.
  • Stationary detectionMixedIt catches small movements when close and facing the sensor, but coverage weakens with distance and angle.
  • False triggersPraised

Questions and answers

Which is better for a large living room?
The Aqara FP2. One unit covers up to 40 sq m and splits the room into up to 30 zones, while the SONOFF covers about 4 m.
Do I need a hub for either one?
The FP2 connects over 2.4 GHz Wi-Fi with no hub. The SONOFF is Zigbee-only and needs a Zigbee gateway such as a Hubitat, SmartThings hub or Zigbee stick.
Which handles sitting still better?
Both use mmWave radar, but the FP2 has the stronger record. SONOFF owners report it misjudging a still person as absent, especially beyond 3 m.
Is the SONOFF worth stepping up to the FP2?
Yes if you need multi-person tracking, fall detection, HomeKit or a bigger room. Stay with the SONOFF if you only automate a small bathroom or hallway and already run Zigbee.
Which is easier to set up?
The FP2, according to reviewers, who call the app setup easy. SONOFF users find Home Assistant integration cumbersome, though the magnetic base makes physical placement simpler.
Can either detect falls?
Only the FP2, and only when ceiling-mounted. The SONOFF has no fall detection.

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Buying guides that pick them

  • Best mmWave presence sensors for smart homes
All 9 stores and price history →
Plastic
—
Mount TypeWall mount, Ceiling mount—
Detection TechnologyMillimeter-wave radar technology—
Presence in zonesRapid detection, less rapid release when leavin…—
Radar frequency—24GHz
Detection range—up to 4 meters
Detection zones—seven independent zones
Stationary detection—Within 3 meters facing the device
Gateway requirement—A Zigbee gateway is needed
Mounting—desktop placement, wall mounting, ceiling insta…
Head rotation—360° rotatable
Light sensing—ambient light sensing
Zigbee role—Zigbee router
Buyers report it detects human motion and filters out other movement sources well.
  • Home Assistant setupCriticisedIntegration and configuration are described as cumbersome and not user-friendly.