It needs to hack the remote control to make the meross opener work with your system.

1. Find your original door remote control. Try the button that can open and close the door.



2. Open the remote and find the click button.

3. Try to find the soldering points of the button.



4. Use a test wire to try any two of them to see if the door can be opened and closed alternatively.



5. Find a two-core wire and solder it to the board. 



6. Left one end of the wire outside the remote.



7. Wires connection

For MSG100/MSG100HK/MSG200/MSG200HK:
Connect the signal cables to the remote wires(sequence does not matter). 

For MSG150/MSG150HK:
Step 1: Connect the red and white wires to the remote wires(sequence does not matter). 
Step 2: Press the reset button on the device three times to cycle through the modes until it switches to Dry Contact mode.


Step 3: Click here to contact customer support and provide the device order receipt and your shipping address, we will send you a sensor kit to detect the door status. 
Step 4: The sensor connector for the MSG150 is housed internally. Upon receiving the sensor kit, please remove the screws from the bottom of the unit and detach the cover to reveal the connector. You can then proceed to connect the sensor kit.

8. Put the remote control with your smart device together, then you can control the door with your app, but in fact, you control your remote control.