WiZ A21 Warm White
The WiZ A21 Warm White is Matter certified (certificate CSA22389MAT40389-24, certified Dec 23, 2022). A certified Matter device can be added to any Matter controller whose app supports its device type, such as Apple Home, Google Home, Alexa, SmartThings or Home Assistant; features vary by app. The maker hasn’t named platforms on a page we hold. We have no verified store link for it yet.
Certificate data: CSA ledger read . Set-up steps and sources: Apple Home · Google Home · Alexa · SmartThings · Home Assistant
CSA Matter certified (certificate CSA22389MAT40389-24).
At a glance: Matter certified: Yes, Dec 23, 2022 · Connectivity: Wi-Fi · Platforms: Apple Home, Amazon Alexa, Google Home and Samsung SmartThings (listed in its catalog record, unverified)
- Works with
- Matter certified as a dimmable light, 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. The maker hasn’t named platforms on a page we hold.
- CSA certificate
- CSA22389MAT40389-24, certified Dec 23, 2022
Updated : the last change to this page’s certification, platform or store facts.
No US store link yet
We link to a store only after its listing matches this exact model, region and package.
Shop lighting you can buy now →CSA Matter Certified
Certificate: CSA22389MAT40389-24Matter 1.0 certificate
Its certificate, CSA22389MAT40389-24, is for Matter 1.0, certified Dec 23, 2022. The Matter version is the specification version on the certificate's ledger record.
Source: CSA Distributed Compliance Ledger, read Nov 10, 2026.
What Matter 1.0 added, and which devices use it →Certified software versions
The CSA ledger lists 2 certified software versions for the device on certificate CSA22389MAT40389-24. The most recent is software v1.4, certified May 18, 2026, for Matter 1.4. The certificate this page shows covers software v1.0, certified Dec 23, 2022, for Matter 1.0.
- Software v1.4 · certified May 18, 2026 · Matter 1.4 · CSA262JOMAT52708-24
- Software v1.0 · certified Dec 23, 2022 · Matter 1.0 · CSA22389MAT40389-24 · this page's certificate
Certification covers each software version listed. It does not establish the software on a unit you buy.
Source: CSA Distributed Compliance Ledger, device record (vendor ID 4107, product ID 8529), read Nov 10, 2026.
WiZ A21 Warm White is a smart light. It is listed as connecting over Wi-Fi. It is CSA Matter certified (December 23, 2022), 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.
Specifications
- Brand
- WiZ
- Category
- Lighting
- Protocols
- Wi-Fi
- Certificate ID
- CSA22389MAT40389-24
- Certified
- Dec 23, 2022
- Firmware
- v1.0
Ecosystem compatibility
Unverified: listed in its catalog record, not confirmed by the maker; check exact controller support.
Quick answers
- Is the WiZ A21 Warm White Matter certified?
- Yes. MatterCatalog matches it to CSA Matter certificate CSA22389MAT40389-24, certified Dec 23, 2022.
- Does the WiZ A21 Warm White work with Apple Home or HomeKit?
- Likely. It is Matter certified (certificate CSA22389MAT40389-24), so any Matter controller whose app supports its device type can add it. The maker hasn’t named Apple Home on a page we hold. Apple says an iPhone using iOS 18 or later can add Matter accessories to the Home app without a home hub. Apple’s Matter page lists lights among the accessory types the Home app supports.
- Does the WiZ A21 Warm White work with Google Home?
- Likely. It is Matter certified (certificate CSA22389MAT40389-24), so any Matter controller whose app supports its device type can add it. The maker hasn’t named Google Home on a page we hold. Google says you need a Matter-enabled hub device set up on your home wireless network before you can add Matter devices to Google Home. Google’s supported-device-types page lists the Dimmable Light type.
- Does the WiZ A21 Warm White work with Alexa?
- Likely. It is Matter certified (certificate CSA22389MAT40389-24), so any Matter controller whose app supports its device type can add it. The maker hasn’t named Alexa on a page we hold. Alexa needs a Matter-compatible Echo; Amazon says its Echo devices support “a subset of Matter 1.5 and lower device types”, so check that yours does.
- Does the WiZ A21 Warm White work with Samsung SmartThings?
- Likely. It is Matter certified (certificate CSA22389MAT40389-24), so any Matter controller whose app supports its device type can add it. The maker hasn’t named SmartThings on a page we hold. SmartThings adds Matter devices through the SmartThings app and a Matter controller.
- Does the WiZ A21 Warm White work with Home Assistant?
- Likely. It is Matter certified (certificate CSA22389MAT40389-24), so any Matter controller whose app supports its device type can add it. The maker hasn’t named Home Assistant on a page we hold. Home Assistant says: “Adding a new Matter device only works in the Home Assistant Companion app.”
- Does the WiZ A21 Warm White need a hub or a Thread border router?
- It depends on the network it uses, which this record does not state without ambiguity. A Thread device needs a Thread border router; a Wi-Fi device does not. Either needs your platform’s Matter controller.
- When was the WiZ A21 Warm White Matter certified?
- The CSA certified it on Dec 23, 2022 (certificate CSA22389MAT40389-24). That is its certification date, not a retail release date, which MatterCatalog does not state.
From this product’s catalog record, not hands-on testing. Editorial policy
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