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
steve jessen –
Bright works good
Hooked up easy and is bright.
steve jessen –
Amazon Customer –
Works great
Easy set up works great
Amazon Customer –
jordan rodgers –
GREAT and easy setup.. also troubleshooting technique(just in case)
Great device!!! The companion app is easy to use.Since this is my first and only smartbulb company they are kind of dim at 100%.. but they create a nice mood! Control is easy enough with Google Home as well!So the instructions are easy enough to setup but troubleshooting is a little tricky and they dont really articulate this very well.. if some how or someway you Smart light bulbs won’t connect to wifi.. read these instructions, From the off position..Turn On, Off,On,Off,On(QUICKLY)… This will activate easy RESTART mode which will work most of the time but if not activate AP(MANUAL SETUP)… ACTIVATE EASY RESTART.. once light are blinking fast do it again but slowly now .. WITH ATLEAST 2 SECOND BETWEEN EACH ON AND OFF.. THIS WILL ACTIVATE MANUAL MODE
jordan rodgers –
Mad Scientist –
Covers the basics
I bought two of these smart LEDs for my bedroom because I wanted to upgrade from the 800 lumen dumb LEDs that I was using before, because these are compatible with Google Home devices, and because they do not need a hub. Also, I needed bulbs in the A21 form factor or smaller.They arrived properly packaged. Each box has a bulb and two instruction cards for the initial setup. In normal usage, they work as advertised, and I am generally quite happy with them. Voice control through my Google Home Mini works fine. I can set up automation in the Geeni app, although it is not the most intuitive system I have seen. I think that these are an excellent deal for the price they are selling for. However, there are two caveats that prevent me from giving them 5 stars.First, they only work with 2.4GHz Wi-Fi networks, so I had to reconfigure my home network and separate the 2.4 GHz SSID from the 5 GHz one. The initial setup process was quite involved, but not unreasonably so. I had to reset them a couple of times because they default to dumb LED mode at 50% brightness if you don’t set them up within a certain time. But once I had the Wi-Fi, Geeni account, and Google Home all ready, it was plain sailing.Secondly, these are not the brightest 75W bulbs I have seen. In addition, the full brightness (116 lux, which is decent, if not spectacular) only comes through when the color is set to full white. The brightness reduces as you move the color temperature through off-white, daylight, and orange. At full orange, these are no brighter than 800-lumen bulbs (89 lux).Update: I have been using these for a while, and I recently bought 2 more for my living room. The functionality is OK for the price, as described in my original review. The strange bit is that Google Home integration has actually gotten WORSE over time. I no longer have granular control over the color. I can only set it to either fully white or fully yellow using voice commands.
Mad Scientist –
Barbara S. Meahan –
Great lights
Works great with Alexa and Dims or changes colors!We have them all over in house!
Barbara S. Meahan –
P. Santamore –
Easy hook up
Bulb has a nice glow
P. Santamore –
Sandy –
Great product
Easy to install. Works great.
Sandy –
Eric A Miller –
Never again.
I bought 4 of these to automate my outdoor lights via wifi to turn on at sunset and off at sunrise. Out of 4 bulbs, 2 work intermittently and sometimes not at all. And theyâre receiving a high signal via wifi so thatâs not the problem. I contacted the manufacture and they sent how-to articles and videos. After those did not work, they put me through a lengthy and arduous process to troubleshoot including sending them videos of it not working. This was required for a warranty replacement. After they conceded that theyâre defective, they went completely silent on me and chose not to replace. Itâs been over a month since I was supposedly approved for warranty replacement and noone will respond. Terrible warranty claim process and customer service. I will never deal with this company again.
Eric A Miller –
Rob Holt –
I have 8 of these bulbs in my home and they have been performing perfectly for a few years now. Easy to set up and works great with Google Home.
Rob Holt –
kailey –
Awesome! Works great super easy set up
kailey –
Jeffersen Beaulieu –
I like the product but somehow eventhough I paid full price for the light bulb I received instead an already used item (the light bulb itself came dirty and with finger prints).
Jeffersen Beaulieu –
Alex Muñiz –
Dia 1: Por el empaque, los instructivos y el diseño de los focos aparenta buena calidad.Tiempo de instalación de un foco 15 min hasta el punto de poder usarlo con alexa.La luz es amarilla es otro color al que estoy acostumbrado pero resulta más agradable que la luz blanca.Puedo programar el tiempo de apagado y prendido; la intensidad; con el celular y con alexa.Tengo apenas 2 horas de uso y estoy encantado. Estaré actualizando en una semana o si pasa algo malo lo haré antes.DÃa 7: Todo bien hasta ahora, solo que tardé en acostumbrarme en no apagar el interruptor fÃsico, cuando lo apagaba con la mano, Alexa y la aplicación lo marcaban como fuera de lÃnea, pero apenas encendÃa el interruptor Alexa lo reconoció en menos de un minuto.Ya lo estoy usando con las rutinas, con ellas puedo controlar la hora a la que enciende y apaga y con que intencidad lo hace.
Alex Muñiz –
Maximiliano Guzmán –
Buen brillo, fácil de configurar con Alexa ( a travez de smart life , ya que geeni no está disponible en México aún). Lo mejor es que no necesita un hub para usarlo
Maximiliano Guzmán –