Device profile · Specifications & compatibility
Sonoff SenseGuard DW Gen2
Sonoff · Door & Window Sensors · Model SNZB-04PR2
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- Sonoff SenseGuard DW Gen2 lists Tamper Alerts; Low Battery Alerts; Home Assistant.
- Check the event that triggers the alert and how the notification reaches the controller.
Browse more from Sonoff or explore all door & window sensors in our catalog.
- Recorded year
- 2026
- Recorded warranty
- 1 year
- Weight
- 45.1g
The details that shape your choice
Sonoff SenseGuard DW Gen2 Quick Features
Start with these specifications, then check the full details and conditions below.
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From specification to decision
Sonoff SenseGuard DW Gen2: Capabilities And Limitations
Based on listed specifications, not hands-on testing. Manufacturer sources are linked where checked.
What it offers
Tamper alerts are recorded as an additional monitoring event. Check the event that triggers the alert and how the notification reaches the controller.
View Tamper Alerts details →Low-battery alerts are recorded, providing a maintenance notification to verify in the chosen platform. Check the alert destination and how disconnected-device status is handled.
View Low Battery Alerts details →A Home Assistant integration is listed, providing an integration path to verify for the exact model. Check the exact integration and firmware. A catalog integration label does not establish local control, official support or available entities.
View Home Assistant details →
What to consider
Matter is listed as unsupported; check another documented integration if Matter is essential to your setup.
View Matter details →Apple Home support is listed as unavailable; do not assume the device appears directly in Apple Home.
View Apple Home details →Temperature alerts are recorded as unavailable.
View Temperature Alerts details →
Still needs verification
Confirm these details if they matter to your setup.
Questions About Sonoff SenseGuard DW Gen2
Does Sonoff SenseGuard DW Gen2 report tamper alerts?
Tamper detection can send an app alert. Battery life depends on reporting and use. Check the event that triggers the alert and how the notification reaches the controller.
Source: Sonoff SenseGuard DW Gen2 manufacturer product page · Checked 2026-10-04
View Tamper Alerts specifications →Does Sonoff SenseGuard DW Gen2 report a low battery?
Yes, according to the listed specifications. Check the alert destination and how disconnected-device status is handled.
View Low Battery Alerts specifications →Does Sonoff SenseGuard DW Gen2 support Thread connectivity?
No, according to the listed specifications. Thread connectivity alone does not establish Matter support or a border-router role. Check those requirements separately.
View Thread specifications →Does Sonoff SenseGuard DW Gen2 support Matter?
No, according to the listed specifications. Verify the exact device type, firmware and features exposed in your chosen platform. Matter support is not proof of feature parity.
View Matter specifications →Does Sonoff SenseGuard DW Gen2 work with Home Assistant?
Yes, according to the listed specifications. Check the exact integration and firmware. A catalog integration label does not establish local control, official support or available entities.
View Home Assistant specifications →Explore the full picture
Sonoff SenseGuard DW Gen2 Specifications
Recorded catalog values. Expand notes for qualifications; unknown values are not treated as missing features.
2 of 30 fields matched to manufacturer documentation. Source checks apply only to the named model and stated scope. Other fields remain catalog data. How we verify specifications →
Alerts5 fields
| Door Window Alerts | Yes |
|---|---|
| Motion Alerts | No |
| Temperature Alerts | No |
| Tamper Alerts | YesManufacturer sourceTamper detection can send an app alert. Sonoff SenseGuard DW Gen2 manufacturer product page →
Battery life depends on reporting and use. Document check only; not a hands-on test or verification of every regional or firmware variant. |
| Low Battery Alerts | Yes |
Connectivity7 fields
| 2.4 GHz Wi-Fi | No |
|---|---|
| 5 GHz Wi-Fi | No |
| Bluetooth | No |
| Z Wave | No |
| Zigbee | Zigbee Hub required |
| Thread | No |
| Other | No |
Features5 fields
| Minimum Detection Distance | 15mm |
|---|---|
| Sensitivity | Not recorded |
| Automations | Yes |
| History Records | 90 days |
| Ota | Yes |
Integrations6 fields
| Google Home | Yes |
|---|---|
| Alexa | Yes |
| Apple Home | No |
| SmartThings | Yes |
| Home Assistant | Yes |
| Matter | No |
Power2 fields
| Battery Type | 2x AAA |
|---|---|
| Battery Life | 3 yearsManufacturer sourceThe advertised battery life is up to three years. Sonoff SenseGuard DW Gen2 manufacturer product page →
Battery life depends on reporting and use. Document check only; not a hands-on test or verification of every regional or firmware variant. |
Sensors5 fields
| Door Window | Yes |
|---|---|
| Light | No |
| Motion | No |
| Occupancy | No |
| Temperature | No |
How this device compares
Sonoff SenseGuard DW Gen2 vs Other Similar Models
Statistical context from 28 door & window sensors in this catalog. These figures describe our recorded data, not independent measurements.
Recorded feature coverage
Home Assistant: 25 of 26 known answers are Yes
Integrations: 96% among explicit Yes/No answers; 2 of 28 devices have no resolved answer. Check the specifications for this model’s conditions.
Recorded feature coverage
Door Window: 28 of 28 known answers are Yes
Sensors: 100% among explicit Yes/No answers; 0 of 28 devices have no resolved answer. Check the specifications for this model’s conditions.
Recorded feature coverage
Low Battery Alerts: 7 of 7 known answers are Yes
Alerts: 100% among explicit Yes/No answers; 21 of 28 devices have no resolved answer. Check the specifications for this model’s conditions.
Brand representation in this directory
4 of 28 models are from Sonoff
Counts door & window sensors listed here, not sales or market share. Catalog inclusion does not imply a recommendation.
Side-by-side specification comparison
Compare Sonoff SenseGuard DW Gen2 vs Similar Door & Window Sensors
See how Sonoff SenseGuard DW Gen2 stacks up against other door & window sensors in this catalog. Compare specifications, compatibility and pricing.
Catalog specifications have not all been independently checked against manufacturer sources. Read our data and evidence methodology.