How to make a SEA Mercury 400 smart?

The SEA Mercury 400 is a highly popular garage door opener known for its reliability and durability. Manufactured by SEA, a renowned company in the industry, this opener has gained a strong reputation among customers worldwide.
With its robust construction and advanced features, the SEA Mercury 400 provides secure and convenient access to your garage. Its smooth operation and compatibility with various garage door types make it a preferred choice for homeowners.
To enhance the functionality of your existing SEA Mercury 400 garage door opener, you can make it smart by purchasing an ismartgate. The ismartgate is a cutting-edge device that allows you to control your garage door remotely using your smartphone.
By simply installing the ismartgate, you can transform your traditional garage door opener into a smart one. With the ismartgate app, you can open and close your garage door from anywhere, receive real-time notifications about its status, and even grant access to family members or trusted individuals.
Experience the convenience and peace of mind that comes with a smart garage door opener. Upgrade your SEA Mercury 400 with the ismartgate and enjoy effortless control over your garage door, no matter where you are.

Make your existing garage or gate opener smart

What can ismartgate garage door opener do?

Discover the advantages of the ismartgate garage door opener:
- Control your garage door remotely using your smartphone.
- Receive real-time notifications when your garage door opens or closes.
- Monitor the status of your garage door from anywhere.
- Integrate with voice assistants like Amazon Alexa and Google Assistant for hands-free control.
- Securely share access to your garage with family members or trusted friends.
- Set up customized schedules to automatically open or close your garage door.
- Connect with other smart home devices, such as smart lights or security systems, for enhanced automation.
- Enjoy easy installation and compatibility with most garage door openers.

How do I install an ismartgate smart garage opener to a SEA Mercury 400?

1. Get your ismartgate device here.
2. Take a look at the SEA Mercury 400 wiring diagram below.
3. Using a small cross head screw driver, connect the wires (included with the ismartgate Kit).
4. To power the ismartgate device, you can use the included wall mount AC adapter. In case don't have a power outlet you can use our DC/DC Power Converter.

Wiring, connections diagram for iSmartgate Lite, Mini, Pro - Smart Garage Door & Gate Openers

SEA Mercury 400 wiring diagram.

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Doors Supported	1	1	3
Remote Access & Door Status Alerts
Apple HomeKit
Google Assistant
Samsung SmartThings
IFTTT
Amazon Alexa*
Wireless Sensor Compatibility
Wired Sensor Compatibility
User Management
Video Integration
Visual Acoustic Alarm
Open & Close Custom Music
Wi-Fi compatibility (2.4GHz)
Ethernet Compatibility**
Web Browser Access

Which ismartgate do I need?

Which iSmartgate garage door opener do I need?

Which ismartgate do I need?

Try our simulator and find the perfect ismartgate for your home.

How many Garage Doors do you have?

DOOR 1 TYPE:

Sectional

DOOR 2 TYPE:

Sectional

DOOR 3 TYPE:

Sectional

Sensor type

Do you want wireless or wired sensor/s for your garage door/s?

Is your opener Chamberlain, Liftmaster or Craftsman?

ismartgate garage door simulator, security

Got a Chamberlain or LiftMaster Garage Door Opener with Security+2.0?

Check the color of the learn button on your garage opener. If it’s YELLOW your opener use Security+2.0 and you will need the ismartgate switch adaptor.

Door 1

Door 2

Door 3

Separation