Note before Order, please test compatibilityPlease check if your garage controller is compatible with our module.Take a wire with both ends stripped or a straightened out paper clip to short circuit the wall button terminal on the opener (I marked with red color). If the garage door opens or closes, it can work with our smart controller.Garage door opener controller features WiFi Smart Garage Door Controller and Garage Open Close Monitor Compatible With Alexa Echo, Google Home voice control. No Hub Required. REMOTE MONITORING You can open or close the door by the APP. You can check the garage door open or closed status in real time. You can authorize multiple people to access your garage. EASY TO USE Instantly control the garage door by tapping the Smart or Smart Life app on your smartphone. Just connect the smart opener to the 4G WiFi network. VOICE CONTROL You can activate your garage door opener by placing a voice command to your Alexa or Google Assistant device or driving near the garage door. WIDE COMPATIBILITY You can only use one controller per garage door opener. Compatible with most general garage door openers.Please check the our list. TIMER FUNCTION You can set schedules to open and close your garage door. Quick & easy installation as well without the need of a professional. COUNTDOWN FUNCTION You can set the countdown time to close or open the garage door.CE/FCC/RoHS CertificatesCS SS WDO Smart Garage controller had been verified by CE/FCC/RoHS, CE Certificate Number DL 2020125402C. If you need the CE/FCC/RoHS Test report,Declarations of conformity Technical descriptions or other information, please contact with us.Make Your Garage Door SmartRemote and Voice Control, just tapping the Smart or Smart Life App from anywhere or speaking to your Alexa, Google Assistant. Enable the door open or close even when you are not at the siteVoice ControlVoice Control by Google Home, or AlexaStay Safe Garage Door Open/Close APP Message push & HistoryBe alerted from App with different notification modes such as garage door open/ close status, overtime notification and overnight notification to remind you close the garage door. And you can check the Garage door running history.SchedulesOpen or close the garage with your schedules or countdown. Automatically detects the status of the garage door more safer without false running.CountdownYou can ask the Courier put the package in your Garage with the countdown function , and the Garage door will auto closed after the time , The smart Garage door open/close state detector function will help you ensure the Garage door open/close as your set.Share Device With Your FamilyAfter the family member registering a account, You can authorize device control to family members by "share device" in the APPInstallationThe main working principle is as belowWired door sensor mountFind a proper position on the garage door to mount the sensor(You can use the included double sided adhesive tapes, screws or bracketsfor sensor fixation). Please make sure the distance between the two sensors is less than 20mm when the garage door is closed, and the two sensors are well separated when the garage door is open.Available plug typeWe can supply this product with US,EU,AU,UK type plugProduct photo showHow to work with Alexa & Google Assistant