Ewelink Garage Door Opener - GD-DC5If your garage door opener is on the compatible list below, you can connect the device to the opener, if not on this list, you can do the following to test if GD DC5 will work with your garage door opener: Take a wire with both ends stripped or a straightened out paper clip and put each end to the same terminals as the wall button wires are terminated to. By doing so, if your door activates, then your garage door opener is compatible with EACHEN GD