Smart Wifi Garage Door Opener Remote Control, Smartphone App, No Hub Needed. Product Features A Smart Add-on for your Existing Garage Door Opener - Simply add this smart wifi controller to your garage door opener, you can open and close your garage door from anywhere at any time with your smartphone, using free Smart Life app. Compatible with Amazon Alexa, Google Home and Iphone Siri - When paired with the Amazon Alexa or Google Assistant, the smart door opener gives you hands-free voice control over your home. It also works with iPhone Siri, or even on smart watches PLEASE TEST COMPATIBILITY BEFORE ORDER by taking 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. If the door closes or opens, this smart controller will work with your garage door opener. Or you can also check "Application Guide" PDF file in Technical Specification part of item detail page for full compatibility incompatibility model lists. Installation has never been easier ? With only two wires, positive and negative connect to your garage door opener motor, set up the controller to wifi connection. You can make your garage door smart in just a few simple steps. Share with your families and get notifications at any time ? The smart controller allows you to setup multiple users, and you will get notified in real-time on who and when the garage door open or close. You can also set time schedule to open/ close your door at certain time. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!