Door & Window Sensors · Head to head

Arlo All-in-One Sensor vs Sonoff SenseGuard DW Gen2

Full Smart Door & Window Sensors comparison in 2026

Updated October 2026
Data from Amazon and official Arlo and Sonoff sites.
2026 verdict
Across the 2026 comparison, Arlo All-in-One Sensor earns the nod over Sonoff SenseGuard DW Gen2 on the strength of sensors and alerts.
Arlo All-in-One Sensor
Winner
Arlo All-in-One Sensor
$23.99$29.9920% OFF

Last recorded price

Buy on Amazon USA
It wins the broader comparison through sensors and alerts, while its broader overall balance helps confirm the result. Sonoff SenseGuard DW Gen2 is the better fit only for buyers who prioritize price and rating above everything else here. In practical terms, Arlo All-in-One Sensor is the easier product to recommend.
vs
Sonoff SenseGuard DW Gen2
Sonoff
#7 Best Seller in Door & Window Sensors

Sonoff SenseGuard DW Gen2

Prime exclusive deal
$13.90

Last recorded price

Buy on Amazon USA

Also sold in packs

  • Pack of 4$39.90$9.97 per unitBuy
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FeatureArlo All-in-One SensorSonoff SenseGuard DW Gen2Winner
Price$23.99$13.90Sonoff SenseGuard DW Gen2
Rating4.14.2Sonoff SenseGuard DW Gen2
SensorsDoor & Window Open/Close, Light, Motion, TemperatureDoor & Window Open/CloseArlo All-in-One Sensor
AlertsDoor & Window Open/Close Alerts, Motion Alerts, Temperature AlertsDoor & Window Open/Close Alerts, Tamper Alerts, Low Battery AlertsArlo All-in-One Sensor
Warranty1 year1 yearTie
Weather ResistanceNONOTie
ConnectivityOtherZigbeeTie
IntegrationsGoogle Home, Alexa, Samsung SmartThingsGoogle Home, Alexa, Samsung SmartThings, Home AssistantTie
Winner
Arlo

Arlo All-in-One Sensor

20% OFF
Prime exclusive deal
$23.99
$29.99

Last recorded price

Buy on Amazon USA
  • + Sensors: Door & Window Open/Close, Light, Motion, Temperature
  • + Alerts: Door & Window Open/Close Alerts, Motion Alerts, Temperature Alerts
  • - Price: $23.99 vs $13.90
  • - Rating: 4.1 vs 4.2
Sonoff

Sonoff SenseGuard DW Gen2

Prime exclusive deal
$13.90

Last recorded price

Buy on Amazon USA
  • + Price: $13.90
  • + Rating: 4.2
  • - Sensors: Door & Window Open/Close vs Door & Window Open/Close, Light, Motion, Temperature
  • - Alerts: Door & Window Open/Close Alerts, Tamper Alerts, Low Battery Alerts vs Door & Window Open/Close Alerts, Motion Alerts, Temperature Alerts

Price history compared

Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.

  • Arlo All-in-One Sensor
  • Sonoff SenseGuard DW Gen2

Loading price history...

Frequently Asked Questions

Which is better overall: Arlo All-in-One Sensor or Sonoff SenseGuard DW Gen2?

Arlo All-in-One Sensor has the stronger overall profile in this comparison, especially for sensors and alerts.

What is the biggest difference between Arlo All-in-One Sensor and Sonoff SenseGuard DW Gen2?

Price is one of the clearest differences: Arlo All-in-One Sensor lists $23.99, while Sonoff SenseGuard DW Gen2 lists $13.90.

Which one looks better on price?

Arlo All-in-One Sensor is listed at $23.99, while Sonoff SenseGuard DW Gen2 is listed at $13.90. Sonoff SenseGuard DW Gen2 (better spec).

Who should buy Arlo All-in-One Sensor?

Choose Arlo All-in-One Sensor if your priority is sensors and alerts and that matters more than price.

Who should buy Sonoff SenseGuard DW Gen2?

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

Full comparison table

Compare all 32 Door & Window Sensors side by side

You are looking at two of them. The full table lines up all Door & Window Sensors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.

  • 32 Door & Window Sensors
  • 40 specs compared
  • 35 filters
Open the full comparison
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