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Meross MST100 Smart Sprinkler Timer

Meross / MST100HHK, MST100

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Does the Meross MST100 Smart Sprinkler Timer work with HomeKit, Alexa, and Google Home?

The Meross MST100 Smart Sprinkler Timer is a battery-powered faucet sprinkler timer with a brass inlet and outlet and an IP65 rating.

It works with Alexa, Siri, Google Assistant and SmartThings through a Meross hub. It suits Google Home, Alexa and SmartThings users, with native support through the maker's hub.

At a glance: works withHow this is decided: cited platform facts only
HomeKit
Unknown
Unknown
Google Home
Yes[1]
Proprietary + hub, native
Alexa
Yes[1]
Proprietary + hub, native
SmartThings
Yes[1]
Proprietary + hub, native
Home Assistant
Unknown
Unknown

Key facts

Meross MST100 Smart Sprinkler Timer facts

How facts are sourced: every cell cites its source below
FactValue
StatusCurrent[1]
List price$69.99[1] as of Timer without the hub.
TypeSprinkler timer[1]
StandardMeross hub[1]
HomeKitVoice and remote control with the MSH400 hub only[1]
Scope1 zone[1]
Sold inUS, EU, UK and AU[1][2]

Integration paths

How the Meross MST100 Smart Sprinkler Timer connects

1 pathHow facts are sourced: every cell cites its source below
PathRequiresiLocaliFeatures lostPlatformsi
Proprietary + hubHUBA Meross hub (MSH400 or MSH450)[1]unknownunknown
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

Cite this page

Meross MST100 Smart Sprinkler Timer. Smart Home Canon. https://smarthomecanon.com/devices/meross-mst100. Last checked 2026-10-16.

Sources

  1. [1]
    MFRshop.meross.com / Meross Smart Sprinkler Timer Kit, MST100HHK(US Version) - Meross Official Store
    Accessed Back to text
  2. [2]
    MFRshop.meross.com / Meross Smart Sprinkler Timer Kit, MST100HHK - Meross Official Store
    Accessed Back to text