This MyQ Smartphone Controlled garage door opener with built-in Wi-Fi gives you complete peace of mind by allowing you to monitor and control your garage door from anywhere. A built-in battery allows for normal use even when power is out. With Wi-Fi built-in, this opener connects directly to your home's Wi-Fi network to provide smartphone control. The MyQ® app is available for free download from the App Store(TM) or Google Play(TM). The package includes a rail system, two three-button remote controls, and wireless keypad.