Motion Sensors · Head to head

Sonoff SNZB-03 ZigBee Motion Sensor vs Sonoff SenseGuard Motion Gen2

Full Smart Motion Sensors comparison in 2026

Updated December 2025
Data from Amazon and official Sonoff site.
2026 verdict
For most buyers in 2026, Sonoff SenseGuard Motion Gen2 is the safer pick over Sonoff SNZB-03 ZigBee Motion Sensor because of price, rating, and battery life. The comparison tilts its way because of price, rating, and battery life, with sensors and angle of detection keeping it in front. Sonoff SNZB-03 ZigBee Motion Sensor remains a niche alternative if integrations and alerts matter more than the rest of the comparison. For the average buyer, Sonoff SenseGuard Motion Gen2 is the safer choice.
FeatureSonoff SNZB-03 ZigBee Motion SensorSonoff SenseGuard Motion Gen2Winner
Price$18.04$14.85Sonoff SenseGuard Motion Gen2
Rating3.74.1Sonoff SenseGuard Motion Gen2
Battery Life1 year3 yearsSonoff SenseGuard Motion Gen2
IntegrationsAlexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterAlexa, Home AssistantSonoff SNZB-03 ZigBee Motion Sensor
SensorsMotionMotion, LightSonoff SenseGuard Motion Gen2
AlertsMotion Alerts, Low Battery AlertsMotion AlertsSonoff SNZB-03 ZigBee Motion Sensor
Angle of Detection110º120°Sonoff SenseGuard Motion Gen2
Range of Detection6m / 20ft6mDifferent strengths
ConnectivityZigbeeZigbeeTie

Frequently Asked Questions

Which is better overall: Sonoff SNZB-03 ZigBee Motion Sensor or Sonoff SenseGuard Motion Gen2?

Sonoff SenseGuard Motion Gen2 has the stronger overall profile in this comparison, especially for price, rating, and battery life.

What is the biggest difference between Sonoff SNZB-03 ZigBee Motion Sensor and Sonoff SenseGuard Motion Gen2?

Price is one of the clearest differences: Sonoff SNZB-03 ZigBee Motion Sensor lists $18.04, while Sonoff SenseGuard Motion Gen2 lists $14.85.

Which one looks better on price?

Sonoff SNZB-03 ZigBee Motion Sensor is listed at $18.04, while Sonoff SenseGuard Motion Gen2 is listed at $14.85. Sonoff SenseGuard Motion Gen2 (better spec).

Who should buy Sonoff SNZB-03 ZigBee Motion Sensor?

Choose Sonoff SNZB-03 ZigBee Motion Sensor if your priority is integrations and alerts and that matters more than price.

Who should buy Sonoff SenseGuard Motion Gen2?

Choose Sonoff SenseGuard Motion Gen2 if your priority is price and rating and that matters more than integrations.

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