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TP-Link Kasa KS225 Matter Smart Wi‑Fi Dimmer Light Switch

CSA Certified

CSA Matter certified (certificate CSA25198MAT45290-24). Uses Wi-Fi, so it needs no Thread border router, only your platform’s Matter controller.

At a glance: Matter certified: Yes, Mar 22, 2025 · Connectivity: Wi-Fi, Bluetooth · Platforms: Amazon Alexa (named by the maker); Apple Home and Google Home (listed in its catalog record, unverified) · Thread border router: Not needed (uses Wi-Fi)

Works with
Amazon Alexa (named by the maker)
CSA certificate
CSA25198MAT45290-24, certified Mar 22, 2025
Network & hub
Wi-Fi; needs no Thread border router, only your platform’s Matter controller

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TP-Link Kasa KS225 Matter Smart Wi‑Fi Dimmer Light Switch
Price at retailer

Amazon

Where to buy

1 store

StorePriceDetailsStore link

Amazon

See price at Amazon

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

The TP-Link Kasa KS225 is a Matter-certified smart Wi‑Fi dimmer light switch for single-pole lighting circuits. TP-Link says it requires a neutral wire. It supports 2.4 GHz Wi‑Fi, Bluetooth setup, brightness control, schedules, and voice control through Apple Siri, Amazon Alexa, and Google Assistant.

Wi-FiBluetoothMatter

Specifications

Brand
Kasa
Category
Switches
Protocols
Wi-Fi, Bluetooth, Matter
Certificate ID
CSA25198MAT45290-24
Certified
Mar 22, 2025
Firmware
1.3.0

Ecosystem compatibility

Matter
Apple HomeUnverified
Alexa
Google HomeUnverified

Checked platforms are named on the maker’s own site. Unverified: listed in its catalog record, not confirmed by the maker; check exact controller support.

Quick answers

Is the TP-Link Kasa KS225 Matter Smart Wi‑Fi Dimmer Light Switch Matter certified?
Yes. MatterCatalog matches it to CSA Matter certificate CSA25198MAT45290-24, certified Mar 22, 2025.
Which smart home platforms does the TP-Link Kasa KS225 Matter Smart Wi‑Fi Dimmer Light Switch work with?
The maker’s own site names Amazon Alexa. Unverified: its catalog record also lists Apple Home and Google Home, with no maker quote on file; check exact controller support. Controls can differ from app to app.
Does the TP-Link Kasa KS225 Matter Smart Wi‑Fi Dimmer Light Switch 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 the TP-Link Kasa KS225 Matter Smart Wi‑Fi Dimmer Light Switch?
MatterCatalog has verified store links for it at Amazon. Check the current price, model and pack size at the store.

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

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Kasa KS225

CSA certified

Check price at Amazon