3 Way Smart Switch by Martin Jerry, 4 Pack, Compatible with Alexa, Smart Home Devices Works with Google Home, 2.4G Wifi, No Hub, Works with Existing 3-Way 4-Way Light Switch
Product Description
3-way non-dimmer switch
FREE iOS and Android App
Use our smart switch to control your lights. It will free your hand to enjoy the moment with your family.
Voice-Activated Smart Home
It is compatible with Alexa and Google Assistant for voice control. This is the most important part of the home automation system.
Home Automation
This switch works with SmartLife App, which is a popular home automation app in the US. It is FREE in App Store, Google Play and Alexa Skills.
Technical Specifications
Rated Voltage 100 – 240 VAC Rated Voltage 15A max Switch Type 3 way non-dimmer switch WiFi Band 2.4G Hz
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Add to Cart
Add to Cart
Customer Reviews
3.9 out of 5 stars
104
4.0 out of 5 stars
1,308
4.3 out of 5 stars
1,372
4.1 out of 5 stars
298
4.4 out of 5 stars
57
Price
— $13.99$13.99 $19.99$19.99 $53.99$53.99
—
Dimmer
Dimmer Non-Dimmer
✓
✓
✓
3-way
N/A N/A N/A
✓
4-Way Kit
WiFi, Google, Alexa
✓
✓
✓
✓
✓
Product Dimensions : 5.04 x 3.31 x 1.29 inches; 1.34 Pounds
Item model number : ST01
Date First Available : October 19, 2020
Manufacturer : MJ
ASIN : B08LDGNR32
Installation: this wifi light switch MUST work with 2.4G wifi router (Not 5G)| Neutral Wire is also necessary (white and capped inside the outlet box).
3 way / 4 way switch: This smart light switch work with non-smart toggle switch rocker switch to build a 3 way / 4 way circuit. Only replace one by this wifi switch. If it turn on and off automatically, please swap the wifi switch and the other non-smart switch
Home automation (IOT): smart home devices are compatible with Alexa and works with Google assistant for voice control (Smart Life Skill). Remote light switch via iOS and Android devices (Smart Life App). Schedule, timer switch, Sharing, IFTTT to create a smart home automation system
Specifications: 100-240VAC, 15A(Max), 50/60Hz. This wireless light switch can work in most household electricity environment.
Warranty: Martin Jerry is offering a 30-day, money-back guarantee, 1-year quality warranty for smart home devices on Amazon, like smart plug, Smart Switches, Wall Switches, Smart Bulb, Homekit smart plug
$67.96
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Price: $67.96
(as of Jan 06, 2025 14:07:00 UTC – Details)
Product Description
3-way non-dimmer switch
FREE iOS and Android App
Use our smart switch to control your lights. It will free your hand to enjoy the moment with your family.
Voice-Activated Smart Home
It is compatible with Alexa and Google Assistant for voice control. This is the most important part of the home automation system.
Home Automation
This switch works with SmartLife App, which is a popular home automation app in the US. It is FREE in App Store, Google Play and Alexa Skills.
Technical Specifications
Rated Voltage 100 – 240 VAC Rated Voltage 15A max Switch Type 3 way non-dimmer switch WiFi Band 2.4G Hz
Add to Cart
Add to Cart
Add to Cart
Customer Reviews
3.9 out of 5 stars
104
4.0 out of 5 stars
1,308
4.3 out of 5 stars
1,372
4.1 out of 5 stars
298
4.4 out of 5 stars
57
Price
— $13.99$13.99 $19.99$19.99 $53.99$53.99
—
Dimmer
Dimmer Non-Dimmer
✓
✓
✓
3-way
N/A N/A N/A
✓
4-Way Kit
WiFi, Google, Alexa
✓
✓
✓
✓
✓
Product Dimensions : 5.04 x 3.31 x 1.29 inches; 1.34 Pounds
Item model number : ST01
Date First Available : October 19, 2020
Manufacturer : MJ
ASIN : B08LDGNR32
Installation: this wifi light switch MUST work with 2.4G wifi router (Not 5G)| Neutral Wire is also necessary (white and capped inside the outlet box).
3 way / 4 way switch: This smart light switch work with non-smart toggle switch rocker switch to build a 3 way / 4 way circuit. Only replace one by this wifi switch. If it turn on and off automatically, please swap the wifi switch and the other non-smart switch
Home automation (IOT): smart home devices are compatible with Alexa and works with Google assistant for voice control (Smart Life Skill). Remote light switch via iOS and Android devices (Smart Life App). Schedule, timer switch, Sharing, IFTTT to create a smart home automation system
Specifications: 100-240VAC, 15A(Max), 50/60Hz. This wireless light switch can work in most household electricity environment.
Warranty: Martin Jerry is offering a 30-day, money-back guarantee, 1-year quality warranty for smart home devices on Amazon, like smart plug, Smart Switches, Wall Switches, Smart Bulb, Homekit smart plug
Based on 4 reviews
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Aristidis Spanakis –
Amazing product for the money
There really isnât anything to dislike with this product connects quick wiring is simple they have great tech support recommend wago connectors when wiring up lights.Called tech support and wanted to know what I should use to automate my house it was quick and easy they guided me in the best path to setting up my automation in my house
Aristidis Spanakis –
Vlad Z. –
Very reliable switches.
It is my second purchase of this product. The first one was for a set of dimmable switches a year and a half ago. Since they worked great and ease of the app I’ve decided to get 3-way to keep going. These were easy to install and setup. They perfectly work with the other/old switches. The main thing during the install is to determine which one is the “master” switch in your wiring and this is the one that needs to be replaced with the smart switch. Good stuff.
Vlad Z. –
Nelson Kidd –
Cannot use 2 of these in the same lighting circuit
If you want to use 2 of these to control the same light, it won’t work. It requires that the other 3-way switch be a dumb switch. The behavior observed is that the lights will toggle on/off constantly.For what it’s worth though, I have 2 of the MJ-ST01 that are pre-flashed with Tasmota and they work fine in the exact same lighting circuit where the MJ-ST01/SmartLife versions failed.[Tedious details below for DIY / Tasmota people]Short version : if you are using Tasmota, you have to choose between having the ability to control the LED status light OR having the consistent look/feel of two MJ-ST01 switches controlling the same light. Can’t have both, apparently.I originally purchased the MJ-ST01/pre-flashed-Tasmota versions and they functionally work out-of-box. Have multiple circuits where 2 of these are paired with a light. Physical button presses toggle the lights at both switches. Everything Tasmota works, and my HomeAssistant software can control/read state just fine. My only complaint is that it’s impossible to make the MJ-ST01/pre-flashed-Tasmota version behave in such a way where the RED LED is ON when the lights are OFF because it’s internally using a Tuya MCU for the WiFi. There’s no way to control the RED LED via GPIO, and Tuya control protocol on this unit doesn’t have anything for controlling the state of the RED LED light.However, the MJ-ST01/SmartLife versions are not using a Tuya MCU and everything is controlled via GPIO. Consequently, it’s theoretically possible to open the MJ-ST01/SmartLife units up, flash them with Tasmota, and control the behavior of the RED LED. The problem is that these units MUST be installed with a dumb-switch in the circuit. This is bad if you want a consistent look-and-feel for all of your home’s switches.
Nelson Kidd –
TechKnow –
Great switch to add to home automation.
I am a self professed home automation geek. I like to control all aspects of lights at my home. Turning on/off at right time, or when I leave/enter the house etc.I exclusively buy switches which I can ‘locally’ control. i.e. not using a third party app or manufacturer servers. It requires little extra elbow grease (opening the switch and installing open source firmware) but in the end I have system which doesn’t require dependence on manufacturer servers.I have been buying martin-jerry switches for a long time since they work perfectly for my use case. They use standard ESP8266 wifi chips which can be reprogrammed to work with your home automation software. Few times I had to contact manufacturer for some tech details, and I was surprised that they respond quickly and very supportive of geeks like me. They tool feedback from me and other friends and tried to incorporate in their future products. Given their support and choice of hardware, I give a 5 start to this switch. One side note, some of you may not like the translucent front of switch but it wasn’t a big issue for me.
TechKnow –