Short answer
Shelly Plus 2PM Two-Channel Relay is works with Alexa. For most users, the practical path is to open alexa and add a matter accessory.
Compatibility summary
| Device | Shelly Plus 2PM Two-Channel Relay |
|---|---|
| Platform | Alexa |
| Status | Works |
| Required hubs | Compatible Echo device or Alexa Matter controller |
| Hub risk | medium |
| Protocols | Wi-Fi, Bluetooth, Matter |
| Confidence | high |
| Tested by us | No |
Hub requirement diagnosis
Plan for Compatible Echo device or Alexa Matter controller before pairing.
How to connect
- Open Alexa and add a Matter accessory.
- Scan the Matter setup code.
- Keep the controller online for remote access and automations.
What may not work
- Matter support requires manual firmware update and setup
- Wi-Fi only — must be on stable 2.4 GHz network
- In-wall install requires electrician in some regions
- Platform apps may expose fewer diagnostics than Home Assistant.
Troubleshooting checklist
- Confirm the exact product SKU and firmware version.
- Keep the target controller and phone on the same network during pairing.
- If Matter pairing fails, factory reset the device and retry with a fresh setup code.
- Check whether the hub is only acting as a bridge or also as a Thread border router.
Need a final setup and reliability path?
$1.99 setup + reliability report
Send your scene, devices, hubs, and target ecosystem. We will return what to connect, what hub is missing, which features may not work, reliability risks, fallback checks, and what to buy or avoid.
FAQ
Does Shelly Plus 2PM Two-Channel Relay work with Alexa?
Works. The best path is: Open Alexa and add a Matter accessory. Scan the Matter setup code. Keep the controller online for remote access and automations.
Does Shelly Plus 2PM Two-Channel Relay need a hub?
Usually yes: Compatible Echo device or Alexa Matter controller.
What features may be missing in Alexa?
Matter support requires manual firmware update and setup Wi-Fi only — must be on stable 2.4 GHz network In-wall install requires electrician in some regions Platform apps may expose fewer diagnostics than Home Assistant.