Presence Sensors · Head to head

Aqara Spatial Multi-Sensor FP400 vs Third Reality Smart Presence Sensor R3

Full Smart Presence Sensors comparison in 2026

Updated September 2026
Data from Amazon and official Aqara and Third Reality sites.
2026 verdict
Aqara Spatial Multi-Sensor FP400 beats Third Reality Smart Presence Sensor R3 in 2026, with its clearest edge on weather resistance, connectivity, and integrations.
Aqara Spatial Multi-Sensor FP400
Winner
Aqara Spatial Multi-Sensor FP400
$79.99
Buy on Amazon USACheck price
Its strongest advantages show up in weather resistance, connectivity, and integrations, with alerts and Multi-Person detection helping widen the gap. Third Reality Smart Presence Sensor R3 is still relevant if you care most about price, but Aqara Spatial Multi-Sensor FP400 is the stronger recommendation overall. That is why Aqara Spatial Multi-Sensor FP400 wins the verdict here.
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FeatureAqara Spatial Multi-Sensor FP400Third Reality Smart Presence Sensor R3Winner
Price$79.99$49.99Third Reality Smart Presence Sensor R3
Weather ResistanceIPX5NOAqara Spatial Multi-Sensor FP400
ConnectivityZigbee, Thread ProtocolZigbeeAqara Spatial Multi-Sensor FP400
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home AssistantAqara Spatial Multi-Sensor FP400
AlertsPresence Alerts, Fall AlertsPresence AlertsAqara Spatial Multi-Sensor FP400
Multi-Person DetectionYESNOAqara Spatial Multi-Sensor FP400
Range of Detection10m / 33ft6m / 19ftAqara Spatial Multi-Sensor FP400
Warranty1 year1 yearTie
SensorsPresence, LightPresence, LightTie

Frequently Asked Questions

Which is better overall: Aqara Spatial Multi-Sensor FP400 or Third Reality Smart Presence Sensor R3?

Aqara Spatial Multi-Sensor FP400 has the stronger overall profile in this comparison, especially for weather resistance, connectivity, and integrations.

What is the biggest difference between Aqara Spatial Multi-Sensor FP400 and Third Reality Smart Presence Sensor R3?

Price is one of the clearest differences: Aqara Spatial Multi-Sensor FP400 lists $79.99, while Third Reality Smart Presence Sensor R3 lists $49.99.

Which one looks better on price?

Aqara Spatial Multi-Sensor FP400 is listed at $79.99, while Third Reality Smart Presence Sensor R3 is listed at $49.99. Third Reality Smart Presence Sensor R3 (better spec).

Who should buy Aqara Spatial Multi-Sensor FP400?

Choose Aqara Spatial Multi-Sensor FP400 if your priority is weather resistance and connectivity and that matters more than price.

Who should buy Third Reality Smart Presence Sensor R3?

Choose Third Reality Smart Presence Sensor R3 if your priority is price and that matters more than weather resistance.

Full comparison table

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  • 33 specs compared
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