Refoss Smart Wi-Fi Garage Door Opener, APP Control, Compatible with Alexa, Google Assistant, No Hub Needed.
Features:
COMPTIBILITY: It is compatible with most major garage door opener in the market. Scroll down and check your model compatibility in the Product guides and documents - Compatibility Guide. NO MONTHLY FEE or HIDDEN FEES. 
REMOTELY CONTROL: Open, close, check door status, receive just within your eHomeLife ios/android App. Works with Google Assistant, Amazon Alexa. 
ALERTS: Stay alert by different notification modes, which remind you close the garage door (overtime and overnight notifications) or keep you update with the door status. 
HIGH STABILITY: High sensitivity sensor, reliable connection and quality, any problem just contact our support team, we’ll glad to help you.