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The meross Smart WiFi Switch (MSS550) is a versatile 3-Way or Single-Pole light switch designed for easy 15-minute installation requiring a neutral wire. Compatible with Apple HomeKit, Alexa, Google Assistant, and Siri, it offers voice and remote control via 2.4GHz WiFi without needing a hub. Features include smart scheduling, energy-saving automation, and robust safety with fire-retardant materials and overload protection, making it a reliable upgrade for modern smart homes.
| ASIN | B0894KT8DC |
| Actuator Type | Push Button |
| Best Sellers Rank | #36,304 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #133 in Electrical Light Switches |
| Brand | meross |
| Brand Name | meross |
| Circuit Type | Support 3-Way or Single Pole |
| Color | White |
| Compatible Devices | Apple HomeKit, Amazon Alexa, Google Assistant, SmartThings |
| Connectivity Protocol | Wi-Fi |
| Connector Type | Clamp |
| Contact Material | Copper |
| Contact Type | Normally Open |
| Control Method | Voice |
| Control Type | App, Voice, Remote Control |
| Controller Type | Amazon Alexa, Google Assistant, homekit |
| Current Rating | 2 A |
| Customer Reviews | 4.4 out of 5 stars 1,127 Reviews |
| Included Components | 1 x Quick Installation Guide |
| International Protection Rating | IP00 |
| Item Dimensions | 4.7 x 2.8 x 1.5 inches |
| Item Weight | 3.2 ounces |
| Manufacturer | meross |
| Material Type | Plastic |
| Model | MSS550 |
| Mounting Type | Wall Mount |
| Number of Items | 1 |
| Number of Positions | 3 |
| Operating Voltage | 120 volts |
| Operation Mode | ON-OFF |
| Part Number | MSS550 |
| Specification Met | Fcc,ic,etl |
| Switch Type | Support 3-way Or Single Pole |
| Terminal | Spdt |
| UPC | 787446925547 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 104 °F |
| Warranty Description | 2 Year |
| Wattage | 200 watts |
A**S
Really nice 3 way switch
I bought this for homekit as i am starting to add some smart switches. I needed a 3 way switch that could replace a dumb 3 way, but oddly, they were quite hard to find. I found this and one from Kasa. this was the only one which worked with homekit, so i went with it (this is also listed on the apple website). Electrical installation was straightforward. I have a standard wall junction box with a neutral, so it was just a matter of making sure i kept the common wire labeled. Everything connected without an issue and tucked into the box. Setup in the app was weird as you have select the correct version, but version options provided didnt sync up with the label on the box. I selected one (guess) and homekit was fine, but it didnt install in the app. I started over (removed the switch from homekit) and tried the next option. This one worked as it completed the install in the app and then automatically finished the homekit one. a little odd, but worked in the end. i have it for about a week and so far, no issues. i do have a weird issue where sometimes the entire circuit will turn off or encounter a power hiccup, but i do not believe that is this switch as it has happened when i toggling the 4 way dumb switch. WiFi is lost with the this switch, but i am happy to say within a few seconds, the switch is back online. Overall, i like the switch.
T**Y
Great switch at the right price
To start with, I am very happy with my purchase thus far. It was priced right, easy to install (took about 5-10 min), and works very consistently. I have started to get more into smart devices recently, and had a problem I needed to solve. I own a 3-story townhome, with a deck on the 2nd/living room floor. There is a bright light over the deck, but there is no light switch near it or on the same floor. For whatever reason, it is controlled by (2) 3-way light switches: one on the top floor in the bedroom, and one on the bottom floor in the utility room. Why would the light be configured that way? I have no clue. To turn it on or off, I have to go either upstairs or downstairs. So here is where the idea of a smart 3-way light switch came up. The idea was to have it controllable while out on the deck, but still controllable from the light switches. Also, as I get more into the smart devices, I was wanting Apple HomeKit support as I am being heavily persuaded by loved ones to jump over to the Apple side of things and away from Android. Although I'm not fully convinced to make the jump, I wanted support for both options just in case. I purchased this 3-way switch from Meross for about $28, which was great compared to others I had seen that supported both Android/Alexa and Apple Homekit. You only need to replace one 3-way switch to make it smart, so I chose the one in the utility area on the bottom floor. At first I was a bit apprehensive due to not having messed with 3-way light switches before, and rarely have had to change a light switch (primarily rent). So a 3-way was a bit confusing to me. However, Meross made it quite simple with their instructions and wiring diagram. I have attached some photos, 2 of which I've added some notations for some guidance that I learned along the way. Also, your first step should be to shutoff the breaker in order to kill power to the light switch. Safety first. I was not familiar with "Traveler" wires that are used with 3-way switches. I found that these red and black "Traveler" wires connected to the original standard 3-way switch using brass-colored screws. This made them easy to identify. You just disconnect the wires from the original light switch and use the provided wire-nuts to connect them to the wires coming out of the new switch. So here is how it goes, referencing the marked-up wiring diagram and light switch photos I've attached: L = Live = Black wire connected to original light switch T1 & T2 = Traveler 1 & 2 = Red and Black wires connected to brass screws on original light switch N = Neutral = White wire. The neutral wires should be bundled/connected with a wire nut and stashed behind your original light switch, but not connected (mine wasn't). Just undo that wire-nut and add the white Neutral wire from the new switch, then screw on the wire nut again to bundle ⏚ = Ground = Green wire connected to original light switch (If you have one. My original light switch didn't have one) Hopefully that gives enough detail for others (like myself) who have never done this before. Simple enough. So, a few notes: the plate that comes with this switch is slightly skinnier than your standard light switch wall plate. It didn't seem to be a big deal for me, but just something to keep in mind. Also, you have to use the cover plate that comes with the new switch. It is designed to snap onto the switch and doesn't screw on (likely because there are more to the internals of a smart switch to house the additional electronics you don't have with a standard switch). Just something else to be aware of. This was fun to do and really helped solve my problem. I brought it into my Alexa app and I can control the light from my phone or Echo now and don't have to stop drinking on the deck! ADDED BONUS: If you use Alexa and configure this as a "light", you can use it with Alexa Guard, which allows an "Away Mode" with automated lighting. The Alexa Guard will use sunrise and sunset times (based on your location) to know when it starts getting nighttime, and will use some logic to turn your lights on and off automatically to make it seem like someone is home. With my outdoor deck light, this is easy for anyone outside to see and will be a great deterrent and protection. I already have my neighbors confused on if I'm home or not. Working as intended!
R**U
Great Power Related Smart Home Product- Will be buying more
Connects easily to Apple Home. Downside is you must have a 3-Way Smart Switch on both ends of the circuit to prevent inadvertent power loss by the “dumb switch” being turned off, so not sure why the would ever be a need for a single pack. Otherwise works great to set up automations within Apple Home and would recommend over using smart bulbs for the same inadvertent power loss caused by “dumb switch”. The only setting I see a smart bulb being a better solution is for an instance where “dumb switch” is never touched. Otherwise Smart Switch is the better choice even when smart bulb might be more economical. I plan to order more of these to expand my Smart Home setup and Meross has become my preferred brand for power related Smart Home options.
S**R
Meross makes good switches for a very good price.
I like these Meross light switches. They install easily and are very easy to connect to your network. They work on WiFi and don’t need a hub. You do however need to download the Meross app and create an account. It is free. You connect all of your different types of Meross devices, then on your Amazon Alexa activate the skill and you can do voice commands. You can also connect your Meross account with SmartThings and it works great. Another great feature if you use the three way switch like I do is that you can just leave your second (or third) switches as they are. You don’t need to purchase a second ore remote switch. This saves you money and makes installation much easier as you only change one of the switches… your choice of when you want to change. These do look like up and down toggle switches, but they really are just one push button at the bottom. In other words, you press it like you’re turning it off all the time and it toggles between on and off. You get used to this quickly. I’ve also had other switches that work with the toggle up and down, and some that feel more substantial when you press them, but they can be triple the price of this one. I’ve had quite a few of these Meross switches installed for years, and have only had one fail. I wouldn’t hesitate to use them. I still give them 5 stars.
R**H
Great Smart home devices
I have smart switches installed throughout my house that work with SmartThings, these work with the system and are lower cost alternative to other switches.
D**D
Works great.
Great replacement switch. I had a few problems and customer service was very helpful, easy to get a hold of. Integrates easily with Home Assistant.
D**1
Great switch that now supports HomeKit
Bought this 3 way smart switch to add to my hallway outside the laundry room. Install was very similar to the other Meross switches. The wires are color coded and everything you need to install is included in the box. I like that some labels for the existing wires were included in the box to keep the wires straight. The switch was easy to install and you only need to purchase and replace one switch. I had this 3 way switch installed in about 15 minutes as this was my second 3 way switch. The Meross app guides you through setup and I was able to secessfully setup this switch with the Meross app. My account was linked to Google Home from my other devices so I only had to navigate through the setup / install steps in the app and give the switch a name and it was working like a charm. It responds well to Google Home commands. The big addition to this version of the switch is support for Apple's Home Kit. I have an iPad and I had no trouble getting this switch added to HomeKit. I followed the directions that are included in the app and they were acurite. I wasn't able to scan the code to add it; however the directions say you'll most likely have to scan the network for the device and then enter the provided HomeKit number. That's what I did and it worked fine. The number you need to enter for the HomeKit setup is located on the front of the switch right before you put the wall on. Like the other switches from Meross, the flange or the part that screws into the electrical box is to thick and it makes standard plates stick out from the wall. I continue to hope they will reduce the thickness of the plate so that it works with the existing wall plates, but that is minor issue. I would also like to see other colors like ivory so that it matches all of my other switches and outlets throughout the house. This 3 way switch is very affordable and only having to purchase 1 is even better. I would recommend this switch, just like the other Meross devices I have purchased. Notes: The Legrand brand create a plate wall plates that you get at the home improvement stores do not work with the Refoss / Meross. The flange on the plugs are to thick it hits where the plates snap together.
P**R
Inexpensive, difficult to install
First, the positives: this is a very inexpensive 3-way switch; it works with HomeKit (see more next); it comes with wires and wire nuts included; it includes adhesive labels for connecting wires to help in installation; the switch includes a LED (controlled by the app) to indicate on/off status. Second, the negatives: installing this switch requires the Meross app; it’s nearly impossible to get an electronic version of the installation instructions since they don’t exist on Meross’ web site and are only available at a specific step in the installation process using the app; the printed instructions aren’t going to be usable if you have vision issues reading tiny type; pause the app-based installation and you have to start over from the very beginning; before and after updating the switch with new firmware, the switch’s ON/OFF status was incorrect in the Apple Home app after the switch restarted; the status LED is very dim in actual use; the included screws did not fit the standard electrical box, while the ones included with the Leviton fit perfectly. Summary: I compared this switch to the Leviton DH15S that came with multiple colors for the switch, worked out of the box with the Apple Home app to install, and was 100% reliable and predicable in operation; while the Leviton is more expensive, when I value my time in the comparison then the Leviton is a better value. I was stumped by the multiple instances of incorrect ON/OFF status in the Home app and when I reported this to Meross they responded they could not duplicate. I wanted to like the Meross, but the as I counted up the frustrations with unpredictable status, trying to find a readable electronic manual, and having to start over multiple times using the Meross app, I decided this switch is a poor value compared to the Leviton. I decided to return this switch.
S**T
Vis de fixation absentes de l’emballage
J’ai acheté un lot de 4 interrupteurs 3 voies. Les vis de fixation au boîtiers électriques étaient absentes de l’emballage. Donc impossible de compléter l’installation.
A**O
Muy bueno
Buen producto, fácil de instalar y configurar, solo asegúrate que tengas un cable Neutro en tu sistema eléctrico. Funciona bien con Home Kit de Apple. Es una opción económica que funciona muy bien. Lo recomiendo.
A**R
Just one thing!
This looks, feels and operates well at a great price. Wish I’d been able to set it up years ago. Just one thing! Getting it set up with Apple Homekit took days and several attempts. Finally buried in some extended setup instructions found on the Meross website, I found the instruction to check the Meross app to ensure that switch had access to Local Network. Mine was turned off and once it was turned on, bingo! problem solved. The Meross folks should add this instruction to their quick notes included in the package. Setup was a breeze after that. Great product!
J**K
Love it
Love these switches by Meross! Great for your apple home. Would definitely recommend.
H**O
No mantiene la conexión a internet
No mantiene la conexión a internet. Seguí todas las recomendaciones y aún así el problema persiste.
Trustpilot
3 weeks ago
1 week ago