Product Description

Do You Need an Extra Accessory? 
Step 1
Use pliers to short the wall button terminals, if the garage door opens or closes, it works. Otherwise, please go to point 2.
Compatibility list is in the “Product guides and documents-User Guide” .
Accessory manual is in the “Product guides and documents-Instructions for Use (IFU)”

Step 2
If point 1 fails, your garage opener is from Chamberlain/LiftMaster/Craftsman. MSG100HK will still work(needs an extra accessory). Please claim the accessory on the meross web or send the support team the information for your garage opener and we will send you the appropriate accessory individually.
The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked.
For more installation information, please search for the video “meross MSG100”. If you meet any issue about our product, simply contact meross support team. Accessory manual manual is in the “Product guides and documents-Instructions for Use (IFU)” of the page.
Data Encryption
Meross has powerful data encryption functions to protect your information security.
Offline Control
When the internet is down, you can still control your devices in home network via Meross app.Close the door automatically when the door is still open after a particular time.
Auto Close
Close the door automatically when the door is still open after a particular time.
Package Contents :1 x Smart garage door opener, 1 x USB adapter, 1 x Door sensor with sensor wire, 4 x Screws, 1 x Test wire, 1 x Double-sided adhesive tapes,1 x User manual.
The Existing Wall Button and Existing Remote Control can still work, after you installed the meross garage door opener.
Installation Steps 
Step 1 – Compatibility Check
The product is compatible with more than 1600 models and 200 brands. Please follow the instructions to complete a simple compatibility test.

Step 2 – Connect the Phone
Connect your smartphone or tablet to a 2.4GHz network and ensure that your smart device is covered by a powerful network signal.

Step 3 – Install the Sensor
Please make sure the distance between the two sensors is less than 1 inch when the garage door is closed.

Step 4 – Deploy the Device
Install the wire from the sensor to the garage door opener. We recommend deploying the device on top of your existing garage door opener.

2.4GHz WiFi network support only: If you keep failing during the setup process and your router has both 2.4GHz and 5GHz WiFi, you may need to temporarily turn off 5GHz on your WiFi router and make sure your smart device is always covered by a strong 2.4GHz WiFi signal.
More Smart Devices from Meross
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Customer Reviews
4.3 out of 5 stars
11,328
4.3 out of 5 stars
11,328
4.3 out of 5 stars
11,328
4.3 out of 5 stars
11,328
4.3 out of 5 stars
192
4.3 out of 5 stars
159
4.3 out of 5 stars
4,107
Price
$49.99$49.99
—
$35.99$35.99
$69.99$69.99
$39.99$39.99
$79.99$79.99
$38.99$38.99
Number of Control Doors
1
Up to 3
1
Up to 3
NA
NA
NA
Works with Apple Home
YES
NO
NO
YES
YES
YES
YES
Works with Google Home
YES
YES
YES
YES
YES
YES
YES
Works with Alexa
YES
YES
YES
YES
YES
YES
YES
Works with SmartThings
YES
YES
YES
YES
YES
YES
YES
Control Method
App&Voice
App&Voice
App&Voice
YES
App&Voice
App&Voice
App&Voice
Remote Control: You can turn the garage door on/off from anywhere with internet access via the Meross app. To let in your family, guests, or couriers through the garage door while you are cooking or not at home. No monthly fee or any other subscription fee! Note: 2.4GHz network support only
Voice Control: You can control your devices hands free, just give voice commands to turn on/off the connected devices. Compatible with Apple HomeKit, Siri, Amazon Alexa, Google Assistant, and CarPlay. Please scroll down and check the “Product guides and documents – User Manual” for more product information
Compatibility Check: It is compatible with more than 200 brands. Please follow the instructions on this page to do a simple compatibility test or refer to our compatibility list”Product guides and documents-User Guide”. If your garage door needs accessories to solve compatibility issues. please send meross support team the information about your garage opener, we will send the right accessories for you individually
More Precise and Stable: It comes with a high sensitivity sensor that monitors the status of the garage door more accurately and the signal stays stable. And you can check the garage door open/ close operation records through the app. Stay alert by different notification modes such as garage door open/ close status, overtime notification, and overnight notification to remind you to close the garage door
Easy to Install: Installation is much easier than you may think. Please make sure your network strength is acceptable near your garage door. If you meet any issue about our product, simply contact meross support team. You can search for videos of “meross garage opener” or “meross MSG100” to learn more about features and installation instructions
Jeremy James –
In my situation these plugs are very needed
Hello my name is Jeremy James, I am a quadriplegic I am paralyzed from the shoulders down. I seem these plugs being used watching YouTube videos and I think that people found them very convenient which I truly did as well. This in a sense has brought me to be independent in a way which allows me to ask Alexa or Siri to cut on my laptop fan and lights around me knowing that when no one is a round I cannot reach them myself. And now I can control things all voice command these plugs have been very helpful and I will be trying to get more. Thank you so much!
Jeremy James –
FtCollinsBob –
Using Wink 4 smart hub and it has also lost them once each …
Had these for less than a week, Iâve had to reboot (unplug them) once each in that time to reconnect to my app. Using Wink 4 smart hub and it has also lost them once each thus past week. Not sure why, will keep an eye out for any firmware updates.Ok, these plugs just arenât being nice!!! They keep lossing their connection. I think they are going back
FtCollinsBob –
A. Arroyo –
Incorrect product photo
The published photos do not correspond to the product I received
A. Arroyo –
Peaches –
Awesome
As expected and works great!
Peaches –
John –
Not a simple ZWAVE device
Not a simple ZWAVE device, In order to set it up you will need to download the IHome app you can’t just link it with your ZWAVE hub.In addition the app needs access to Home app in your phone and the app itself does not have IFTTT.I own a few ZWAVE dimmers, switches and fan controllers but this one I don’t like.Not a very smart move IHome producer, you would have a better rating and sales if you would just let it pair with the existing hubs instead of trying to take control over the device, take example from Leviton, Lutron GE and others.In addition the package blows, in order to open it you have to destroy the package now since I return it it has to go back to be repack in order to be sold again… Too bad the price was good, the idea of the plug is good.
John –
Marcus Mason –
Lights Out…
I love the ability to turn on lamps and appliances from my phone. Works with iPhone iHome app too. I bought four. The only complaint is they disconnect from the wifi from time to time. Otherwise they are as advertised.
Marcus Mason –
Robin K. –
Great for more than just lamps
Great for more than just lamps. Itâs running small re-circulating pump. No hub required. Found immediately by Alexa. Love it
Robin K. –
Kade Rogers –
Five Stars
Great product! Works greats!
Kade Rogers –