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
Amazon Customer –
Easy to use
I was given my first geeni plug set as a gift. Was a little hesitant to use them but the app and plugs are super easy to use. I ordered this second set cause I love them so much. They are compatible with Alexa and the app works great to turn on lights for pets when Iâm away or a coffee maker that doesnât have a timer. I love it for my holiday lights. Just set a schedule and forget about them.
Amazon Customer –
j r lewis –
Great product
We been using Geenie products for a while. Easy to set up. Work great.
j r lewis –
Dan –
Does what it is supposed to do.
So I actually have 3 of these gems running fans in the house. I have them set up as a cluster in the app so that when an event triggers then it turns all the fans on at the same time.For example, when the temperature outside hits 75°F it triggers the fans to turn on automatically and when the temp drops below 68°F and it is 11:30PM it will shut them off.The app could use some improvement as the timer function is kind of weird when you use it for more than one device.There are some issues where deciphering the state that is implied with the timers.Using location services is only good for where the devices are located. It will not update the location of where your at so you can’t automate turning devices on/off based on your location (in my experience).The devices them selves are easy to use, however IoT devices do have some security issues that are being addressed but you should be aware that they are not a big deal.Overall, they are a good value, the fact that I can remotely turn devices on and off makes it worth the cost.I am definitely looking into getting more down the road!
Dan –
DC –
Works well, easy to install.
Got these for lamps high up on selves that were a nuisance to turn on & off and for another one with the switch on the cord that was behind a piece of furniture. I’m a newby with Smart Plugs but these were super easy both to install and add to both the designated app & Google Home too. Now I can control all the lights with my voice alone or with the app on my phone or tablet which is fantastic.Taking off one star bc every now & again my wifi gets knocked out as probably happens to most people. If this occurs then…um you can’t turn the lights on manually bc the plug is stuck powered off. Not a deal breaker but if your wifi is iffy maybe something to think about.
DC –
BPTX –
Geeni smart dot
In my opinion the geeni Smart Dot is very reliable and dependable. It is easy to program for an off/ time schedule.Very pleased with this product and highly recommend it and the seller for the prompt delivery.
BPTX –
Karin –
Perfect for the tree!
I set this up in a snap to control my tree with Alexa (like everything else in my living room). It’s perfect! Don’t forget to rename the plug “Tree” after you get it added. Thanks Geeni! (Now I will go look at what else you sell! (That’s just how good your instructions are). Merry Christmas!
Karin –
Donald Caluori –
Awesome gadget!
We have 5 of these now. Schedules are weas to setup to have lights go on an off. We use one for holiday lights on a schedule too awesome…We have had issues with our smart tv, it occasionally need to be rebooted. I added one to, no more moving tv to reach behind and unplug. Sit on the couch open the app and done.
Donald Caluori –
DAVID WALDEN –
One works, one doesnât customer service no help whatsoever
One worked just fine. The second one didnât work at all. Never would connect to the network. Customer service was no help whatsoever spent 30 minutes on the phone with them only for them to tell me âoh well send us a video showing that you are actually trying to hook it up and it is not working. Along with proof of purchase, proof of delivery, just too much hassle for a product that just clearly doesnât work and the company has no plan to fix it in anyway.I do not recommend Geeni products at all!!!
DAVID WALDEN –
Nadz Hab –
Easy to install and set up. You can schedule a time to turn on and off, or just press a button on the app in your phone to turn it on, even from hundreds of miles away (I was on vacation in Italy and saw the lamp turn on via my camera). I set some up for my parents too and itâs easy enough for them to use. Great value for money and better than some of the more overpriced brands.
Nadz Hab –
Cliente de Amazon –
El producto es muy bueno aunque se tardo en llegas mas de dos semanas, pero excelente
Cliente de Amazon –
Amazon Customer –
Iâve used Geeni light bulbs for years and found out they have these plugs. They work very well with both Alexa and Google voice commands as I have both!The app is very easy to use and set up took seconds. The plugs are a little bit large but overall fit with something else plugged in to the same outlet.The price for two of these plugs was good compared to other brands.With the option to be able to turn them off and on via voice commands or through the app, they will save power in my opinion.
Amazon Customer –
Javier Bárcenas –
El proveedor estuvo muy pendiente del envÃo
Javier Bárcenas –
Bev –
I have several of these plugs. They are awesome and easy to install and program.
Bev –