
Option 1 · Heiman
Heiman Interconnected Smoke Alarm S1-R
Last updated October 2026
View full device profileThe Smart Device Compare comparison
Understand the differences. Decide what matters to your home.
Build another comparison →Before you compare every specification
A summary of selected recorded differences between these smoke & co detectors. Check the full specification table below for details and conditions.
These observations are derived from recorded catalog data and have not all been independently verified. Confirm details with the manufacturer before purchasing.
Compare capabilities, compatibility and setup requirements.

Option 1 · Heiman
Last updated October 2026
View full device profile
Option 2 · YoLink
Last updated September 2026
View full device profileWhat the catalog tells us
These counts describe the available data, not a quality score. More features do not automatically make a better device.
Consider your setup
Check the integration method, supported model and firmware. A catalog Yes does not establish local control or official support.
Inspect the specificationsConsider your setup
Compare the stated test conditions. Catalog battery figures alone do not predict runtime in your home.
Inspect the specificationsYour priorities, side by side
Mark the specifications you care about. Open manufacturer sources for verification scope; fields without citations remain catalog data. Expand notes for other qualifications.
Showing 37 of 37 rows. “Not recorded” does not mean “No”.
Local 85 dB alarm on every linked unit, plus app push alerts when paired to the Heiman gateway
App, SMS and email alerts through a YoLink hub
The alarm itself has no Wi-Fi: the optional WS3GW-R gateway joins a 2.4 GHz network and relays its alerts to the Heiman app
915 MHz Sub-1G radio, up to 800 ft in open areas per Heiman; links with other Heiman RF alarms such as the C1-R CO alarm
Automations run in the Heiman app or a linked platform once the gateway is added
85 dB at 10 ft
Dual-beam photoelectric sensing sizes smoke particles to reduce steam and cooking false alarms
Continuous RF heartbeat and optical chamber drift monitoring, plus a test and silence button
Alexa has no smoke alarm device type outside Matter, and the S1-R is not a Matter device
Alexa'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
Through the Heiman WS3GW-R gateway, which Heiman says works with Home Assistant, IFTTT, Google Home and SmartThings
Through the Heiman WS3GW-R gateway, which Heiman says works with Home Assistant, IFTTT, Google Home and SmartThings
Through the Heiman WS3GW-R gateway, which Heiman says works with Home Assistant, IFTTT, Google Home and SmartThings
Dual-beam photoelectric sensor, UL 217 10th Edition
Photoelectric sensor certified to UL 217 10th Edition and CAN/ULC S531
| Specification | Heiman Interconnected Smoke Alarm S1-R | YoLink Photoelectric Smoke Alarm |
|---|---|---|
| Alerts | ||
| No | No | |
| No | No | |
YesCatalog noteLocal 85 dB alarm on every linked unit, plus app push alerts when paired to the Heiman gateway | YesCatalog noteApp, SMS and email alerts through a YoLink hub | |
| Yes | Yes | |
| No | No | |
| Connectivity | ||
Heiman Gateway requiredCatalog noteThe alarm itself has no Wi-Fi: the optional WS3GW-R gateway joins a 2.4 GHz network and relays its alerts to the Heiman app | No | |
| No | No | |
| No | No | |
RF wireless interconnectCatalog note915 MHz Sub-1G radio, up to 800 ft in open areas per Heiman; links with other Heiman RF alarms such as the C1-R CO alarm | LoRa (YoLink hub required) | |
| No | No | |
| No | No | |
| No | No | |
| Display | ||
| No | No | |
| Not applicable / unspecified | Not applicable / unspecified | |
| Features | ||
Heiman Gateway requiredCatalog noteAutomations run in the Heiman app or a linked platform once the gateway is added | Yes | |
| No | No | |
YesCatalog note85 dB at 10 ft | Yes | |
| No | No | |
YesCatalog noteDual-beam photoelectric sensing sizes smoke particles to reduce steam and cooking false alarms | No | |
YesCatalog noteContinuous RF heartbeat and optical chamber drift monitoring, plus a test and silence button | Yes | |
| Integrations | ||
NoCatalog noteAlexa has no smoke alarm device type outside Matter, and the S1-R is not a Matter device | NoCatalog noteAlexa'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 | |
| No | No | |
Heiman Gateway requiredCatalog noteThrough the Heiman WS3GW-R gateway, which Heiman says works with Home Assistant, IFTTT, Google Home and SmartThings | No | |
Heiman Gateway requiredCatalog noteThrough the Heiman WS3GW-R gateway, which Heiman says works with Home Assistant, IFTTT, Google Home and SmartThings | Yes | |
| No | No | |
Heiman Gateway requiredCatalog noteThrough the Heiman WS3GW-R gateway, which Heiman says works with Home Assistant, IFTTT, Google Home and SmartThings | No | |
| Power | ||
| 8.3 years | 5 years | |
| CR123A | Not recorded | |
| No | No | |
| Sensors | ||
| No | No | |
| No | No | |
| No | No | |
| No | No | |
| No | No | |
| No | No | |
YesCatalog noteDual-beam photoelectric sensor, UL 217 10th Edition | YesCatalog notePhotoelectric sensor certified to UL 217 10th Edition and CAN/ULC S531 | |
| No | No | |
The table matches specifications by section and field. It preserves notes, separates missing data from explicit “No” values, and keeps qualifications attached to their values. No overall winner is assigned from feature counts.
Read our comparison methodology