Is this smart plug Matter certified?

Yes. MatterCatalog matches it to CSA Matter certificate CSA25119MAT45163-24, certified Mar 5, 2025.

Does this smart plug use Thread or Wi-Fi?

Wi-Fi. Its catalog record lists Wi-Fi, so it joins your Wi-Fi network and does not need a Thread border router. You still need your platform’s Matter controller.

Where can I buy this smart plug?

MatterCatalog has verified store links for it at Amazon and TP-Link Tapo. Check the current price, model and pack size at the store.

TapoPlugs

TP-Link Tapo P400M Smart Outdoor Plug, 2 Outlets

Name: TP-Link Tapo P400M Smart Outdoor Plug, 2 Outlets
Brand: Tapo

CSA Certified

CSA Matter certified (certificate CSA25119MAT45163-24). Uses Wi-Fi, so it needs no Thread border router, only your platform’s Matter controller.

At a glance: Matter certified: Yes, Mar 5, 2025 · Connectivity: Wi-Fi · Works with: Apple Home, Amazon Alexa, Google Home and Samsung SmartThings · Thread border router: Not needed (uses Wi-Fi)

Works with: Apple Home, Amazon Alexa, Google Home and Samsung SmartThings (named by the maker)
CSA certificate: CSA25119MAT45163-24, certified Mar 5, 2025
Network & hub: Wi-Fi; needs no Thread border router, only your platform’s Matter controller

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TP-Link Tapo P400M Smart Outdoor Plug, 2 Outlets

Sold at 2 stores

Amazon · TP-Link Tapo

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Amazon

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2 stores

Amazon

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TP-Link Tapo

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Direct link to TP-Link Tapo's product page. Confirm the exact variant, current price and delivery at the retailer.

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Check the model, region and pack size at the retailer. Prices and availability are confirmed there.

CSA Matter Certified

Certificate: CSA25119MAT45163-24

TP-Link Tapo P400M Smart Outdoor Plug, 2 Outlets is a smart plug. It is listed as connecting over Wi-Fi. It is CSA Matter certified (March 5, 2025), so it can work with Matter apps such as Apple Home, Google Home, Alexa and SmartThings when the app supports its device type; supported features vary by app.

Wi-Fi

Specifications

Brand: Tapo
Category: Plugs
Protocols: Wi-Fi
Certificate ID: CSA25119MAT45163-24
Certified: Mar 5, 2025
Firmware: 1.3.0

Ecosystem compatibility

Matter

Apple Home

Alexa

Google Home

SmartThings

Quick answers

Is this smart plug Matter certified?: Yes. MatterCatalog matches it to CSA Matter certificate CSA25119MAT45163-24, certified Mar 5, 2025.
Which smart home platforms does this smart plug work with?: The maker’s own site names Apple Home, Amazon Alexa, Google Home and Samsung SmartThings. Controls can differ from app to app.
Does this smart plug use Thread or Wi-Fi?: Wi-Fi. Its catalog record lists Wi-Fi, so it joins your Wi-Fi network and does not need a Thread border router. You still need your platform’s Matter controller.
Where can I buy this smart plug?: MatterCatalog has verified store links for it at Amazon and TP-Link Tapo. Check the current price, model and pack size at the store.

From this product’s catalog record, not hands-on testing. Editorial policy