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Meross MSS815MA Matter Smart In-Wall Switch

Meross / MSS815MA, MSS815MAKIT, MSS815MAQUA, MSS815

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Does the Meross MSS815MA Matter Smart In-Wall Switch work with HomeKit, Alexa, and Google Home?

The Meross MSS815MA Matter Smart In-Wall Switch is a Matter switch module that fits behind an existing wall switch and needs a neutral wire.

It handles 10 A and works with HomeKit, Alexa, Google Home and Home Assistant without a Meross hub. It suits HomeKit, Google Home and Alexa users, with native support through Matter over Wi-Fi. Home Assistant users reach it through an integration (Matter over Wi-Fi).

At a glance: works withHow this is decided: cited platform facts only
HomeKit
Yes[1]
Matter / Wi-Fi, native
Google Home
Yes[1]
Matter / Wi-Fi, native
Alexa
Yes[1]
Matter / Wi-Fi, native
SmartThings
Unknown
Unknown
Home Assistant
Yes[1]
Matter / Wi-Fi, via integration

Key facts

Meross MSS815MA Matter Smart In-Wall Switch facts

How facts are sourced: every cell cites its source below
FactValue
StatusCurrent[1]
List price$26.99[1] as of
TypeSwitch module[1]
StandardMatter over Wi-Fi[1]
HomeKitVia Matter[1]
WiringBehind an existing 1-way, 1-gang switch, neutral wire required[1]
Dimmingunknown

Integration paths

How the Meross MSS815MA Matter Smart In-Wall Switch connects

1 pathHow facts are sourced: every cell cites its source below
PathRequiresiLocaliFeatures lostPlatformsi
Matter / Wi-FiA Matter controller, 2.4 GHz Wi-Fi network, Neutral wire[1]Yes[1]unknown
About these columns
Requires
Hardware the path needs beyond the device and a controller.
Local
Yes when control on this path keeps working with the internet down.
Platforms
The platforms that work with the device on this path: Native (out of the box), Via integration (needs an add-on) or Not supported.

Home Assistant and Homey

Ways to add the Meross MSS815MA Matter Smart In-Wall Switch

2 routesHow facts are sourced: every cell cites its source below
PlatformLeveliIntegrationDetailsEvidenceLimitations
Home AssistantVia Matter[2][4] (Matter certified; Home Assistant does not name the model)matterMatter / Wi-Fi
  • Quality: No score[2][4]
  • IoT class: Local Push[2][4]
  • Works with Home Assistant: Not certified[2][4]
Model namedNone stated
HomeyVia Matter[2][3]matterMatter / Wi-FiModel namedNone stated
About these columns
Level
How the device gets into the platform on this route. The headline is the best route: local before cloud, direct before bridged, core before community. The methodology page lists every level.

Certifications

Certification records

1 recordHow facts are sourced: every cell cites its source below
ProgramCertificateCertified onTransportSpec / softwareSource
MatterCSA22353MAT40353-24wi-fi, bluetooth9.3.26[2]

Cite this page

Meross MSS815MA Matter Smart In-Wall Switch. Smart Home Canon. https://smarthomecanon.com/devices/meross-mss815. Last checked 2026-10-20.

Sources

  1. [1]
    MFRshop.meross.com / Meross Matter Smart in-Wall Switch, MSS815MA - Meross Official Store
    Accessed Back to text
  2. [2]
    CSAon.dcl.csa-iot.org / Matter DCL compliance: MSS815, PID 40978 (part A0123100), software 9.3.26
    Accessed Back to text
  3. [3]
    DOCsupport.homey.app / Homey Support: Matter for Homey (Add a Matter device to Homey)
    Accessed Back to text
  4. [4]
    DOChome-assistant.io / Home Assistant: Matter integration
    Accessed Back to text