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
Daniel J. Clark –
Works way better than wifi bulbs!
Works way better – as in all the time and no dimming randomly for a few seconds – than the same company’s wifi bulbs.Having a switch is also really sweet, and this is something that seems not to be possible with wifi bulbs.Wish I knew about the difference in BLE vs WiFi sooner.Also I don’t know why the app gets such a mid rating on the play store. It seems perfectly functional and even has some cute features like a music player that controls the lights in response to the music.Also works well with Alexa and Google Home. I’ve found it works more consistently with Google Home – sometimes I need to ask Alexa twice. I am pretty sure this is Amazon’s fault, not Broadlink’s.
Daniel J. Clark –
Rob W –
Works Fine
I bought some cheap Tuya lightbulbs elsewhere and didn’t realize they were Bluetooth (BLE) only, all my others are WiFi as I like to use them with Alexa and IFTTT. Did some searching and realized I needed a hub like this, so bought it to try. Was cheap enough that even if it didn’t solve my problem it wouldn’t be a huge deal. Well, plugged it in and added it to my SmartLife app. That was it, bulbs can now be controlled with things other than just my iPhone, most importantly I can now use my Echo Dots.It’s really small, quite comparable to a USB flash drive. My devices aren’t particularly close to where I plugged it in but that doesn’t seem to matter. It doesn’t come with a power adapter (at least not that I recall), but I just plugged it into a crappy USB wall adapter without any problems.
Rob W –
Rualbert Mcleod –
Bulbs randomly failing
I purchased 3 kits as these were the most cost effective bulbs on the market that came with a wireless switch. However there are two issues with these first one is mostly my fault for assuming but these do not support home assistant so if you were looking to integrate the scene selector and bulbs into home assistant they are useless. Second biggest issue couple of the bulbs have started to randomly die bulbs turn on on their own then flicker nonstop. the price is cheap you get cheaply made I think should have went with the tplink bulbs instead.
Rualbert Mcleod –
Zach –
Connection Issues
I got this bulb to use with my alexa devices, but it won’t connect. The broadlink app doesn’t work well either. If I’m not near enough to the bulb, the app won’t change it’s settings.
Zach –
Sarah –
Love them but they don’t always love me
I knew I wanted smart bulbs in my office so I didn’t have to go around turning on all my lamps every day. (Call me whatever you want but ain’t nobody got time for that) I liked these since they were app controlled and had a variety of effects and light options.They work amazing well but when it comes to syncing them all up it can be a bit of a hassle. I connected all of them and randomly they would get out of sync with 2 of them doing one thing and the other doing something else. I couldn’t get it fixed but when i came back from Christmas break they had fixed itself. So far no more weirdness has occurred.
Sarah –
Ev –
Instructions unclear for remote.
The remote instructions say hold 123 on to pair and picture shows all three buttons being pressed.To pair power cycle lights and hold the remote on button of only one group button. Lights will flash when successfully paired.Works great after that!
Ev –
Jsk –
DOES NOT WORK WITH IFTTT
Hub was not the newest hub. Itâs only Bluetooth. Itâs absolute garbage. Do not buy.
Jsk –
Trying this out –
Great easy to set up
I love this system!! Itâs great I was easily able to set it up as were my parents who are older and they love it too! My dad really enjoys that they can create routines and have it set to turn off and on when needed and the color blue works great at night so it doesnât disturb others. Really the only con is the controller doesnât come with batteries. Everything hooked up right away as easy as can be.
Trying this out –
Jesús Galicia –
Me gusta mucho sus efectos
Jesús Galicia –
Amazon Customer –
easy to set up on app – quick to install etclots of coloursand features
Amazon Customer –
José MarÃa alves –
Pensé que tenia un mando y es muy limitada y complicada la aplicación.
José MarÃa alves –
Turki –
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Turki –
catherine sns –
Appareil qui fonctionne bien et facile à connecter.Parfait pour les spots connectés.Seul bémol et qui mâa dérangé : appareil scotché à mon ouverture de colis (stupéfaction) donc je suppose que lâappareil est un reconditionné PAYà au prix neuf par contre.Jâaurai aimé avoir la précision ce qui nâest pas très honnête du vendeur!!!!DÃCEPTION
catherine sns –