Device profile · Specifications & compatibility
YoLink Photoelectric Smoke Alarm
YoLink · Smoke & CO Detectors · Model YS7A12-UC
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- YoLink Photoelectric Smoke Alarm lists Smoke; Tests Itself; Home Assistant.
- Verify the exact alarm model, applicable certification, placement and testing instructions; catalog data does not establish safety compliance.
Browse more from YoLink or explore all smoke & co detectors in our catalog.
- Recorded year
- 2026
- Recorded warranty
- 2 years
- Dimensions
- 71 x 71 x 38 mm
- Weight
- ?
The details that shape your choice
YoLink Photoelectric Smoke Alarm Quick Features
Start with these specifications, then check the full details and conditions below.
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From specification to decision
YoLink Photoelectric Smoke Alarm: Capabilities And Limitations
Based on listed specifications, not hands-on testing. Manufacturer sources are linked where checked.
What it offers
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 →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 →
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 →
Questions About YoLink Photoelectric Smoke Alarm
What is the smoke-detection capability of YoLink Photoelectric Smoke Alarm?
Smoke: Yes. Verify the exact alarm model, applicable certification, placement and testing instructions; catalog data does not establish safety compliance. Photoelectric sensor certified to UL 217 10th Edition and CAN/ULC S531
View Smoke specifications →Does YoLink Photoelectric Smoke Alarm support a self-test feature?
Yes, according to the listed specifications. Verify what the self-test checks and follow the manufacturer’s required manual testing routine.
View Tests Itself specifications →Does YoLink Photoelectric Smoke Alarm 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 YoLink Photoelectric Smoke Alarm 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 →Does YoLink Photoelectric Smoke Alarm work with Apple Home?
No, according to the listed specifications. Check the model, firmware, exposed controls and any additional hardware requirements.
View Apple Home specifications →Explore the full picture
YoLink Photoelectric Smoke Alarm Specifications
Recorded catalog values. Expand notes for qualifications; unknown values are not treated as missing features.
0 of 37 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 →
Sensors8 fields
| Smoke | YesDetails & conditionsPhotoelectric sensor certified to UL 217 10th Edition and CAN/ULC S531 |
|---|---|
| Co | No |
| Occupancy | No |
| Temperature | No |
| Humidity | No |
| Air Quality | No |
| Ambient Light | No |
| Motion | No |
Features6 fields
| Built In Siren | Yes |
|---|---|
| Built In Light | No |
| Tests Itself | Yes |
| Pathlight | No |
| Steam Check | No |
| Automations | Yes |
Alerts5 fields
| Fire Alerts | YesDetails & conditionsApp, SMS and email alerts through a YoLink hub |
|---|---|
| Co Alerts | No |
| Low Battery Alerts | Yes |
| Temperature Alerts | No |
| Air Quality Alerts | No |
Connectivity7 fields
| 2.4 GHz Wi-Fi | No |
|---|---|
| 5 GHz Wi-Fi | No |
| Bluetooth | No |
| Zigbee | No |
| Z Wave | No |
| Thread | No |
| Other | LoRa (YoLink hub required) |
Display2 fields
| Screen | No |
|---|---|
| Screen Type | Not applicable / unspecified |
Integrations6 fields
| Google Home | No |
|---|---|
| Alexa | NoDetails & conditionsAlexa's smart home API has no smoke or CO alarm type: the only supported route is the Matter Smoke CO Alarm device type, which this alarm does not speak |
| Apple Home | No |
| SmartThings | No |
| Home Assistant | Yes |
| Matter | No |
Power3 fields
| Wired | No |
|---|---|
| Battery Type | Not recorded |
| Battery Life | 5 years |
How this device compares
YoLink Photoelectric Smoke Alarm vs Other Similar Models
Statistical context from 25 smoke & co detectors in this catalog. These figures describe our recorded data, not independent measurements.
Recorded feature coverage
Tests Itself: 9 of 20 known answers are Yes
Features: 45% among explicit Yes/No answers; 5 of 25 devices have no resolved answer. Check the specifications for this model’s conditions.
Recorded feature coverage
Fire Alerts: 21 of 25 known answers are Yes
Alerts: 84% among explicit Yes/No answers; 0 of 25 devices have no resolved answer. Check the specifications for this model’s conditions.
Recorded feature coverage
Smoke: 21 of 25 known answers are Yes
Sensors: 84% among explicit Yes/No answers; 0 of 25 devices have no resolved answer. Check the specifications for this model’s conditions.
Brand representation in this directory
1 of 25 models are from YoLink
Counts smoke & co detectors listed here, not sales or market share. Catalog inclusion does not imply a recommendation.
Side-by-side specification comparison
Compare YoLink Photoelectric Smoke Alarm vs Similar Smoke & CO Detectors
See how YoLink Photoelectric Smoke Alarm stacks up against other smoke & co detectors 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.