NEXX Garage NXG-100 Smart WiFi Can Remotely Control Garage Opener. It's new and complete in a open package. The Nexx Garage NXG-100b is a smart garage opener that can be controlled remotely via an app or wifi. It is a companion device to existing garage door openers and allows users to open, close, and monitor their garage door from anywhere in the world. It is compatible with most garage door openers and can be activated by motion or voice control. It also supports Google Assistant, Amazon Ale