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Where to buy
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Specs confirmed against the manufacturer. How we check →
Shelly
Shelly Pro 4PM
$143
Among the priciest compatible smart relays we list · $5 to $139 in our catalog
Before you buy
Works offline
Good fit if you use Amazon Alexa, Google Home or Home Assistant and want it to keep working without the internet.
Works with
Works with Amazon Alexa, Google Home, Home Assistant out of the box, no hub needed.
Google HomeAmazon AlexaHome Assistant, via its own integration
✓ full support (native, Matter, or a built-in integration). Chips without a check work with a catch; the chip names it.
Run a different system? Find a smart relay that works with Apple Home.
Specifications
Features
- Power metering
- Yes
- Channels
- 4
Connectivity & control
- Connectivity
- Wi-Fi 2.4 GHz, Wired Ethernet, Bluetooth LE
- Hub
- No hub
- Local control
- Runs locally
- Power
- Hardwired
Physical
- Weight
- 5.3 oz
Product info
- Brand
- Shelly
- Made by
- Allterco Robotics
- Type
- Smart relay
- Region
- United States
- Availability
- In production
- Model number
- 4PM
- UPC
- 3800235268049
What you get at each price
Compatible options in this category, confirmed against the manufacturer. Spend less or more with your eyes open.
Spend less, but needs a hub
$139
Shelly Wave Pro 2PM
Shelly
Hub required
Runs locally
You are here
$143
Shelly Pro 4PM
Shelly
No hub
Runs locally
