Description:  This product is a WiFi smart switch supports remotely control your garage door opener and monitor the door status at any time and anywhere in the world via APP on your Android/iOS mobile devices. It features voice control for Amazon Alexa and for Google Home IFTTT, device sharing, and you can also set timers to turn on/off your garage door, which makes your home smarter.    Features:  1. Remote Turn on/off: Turning your existing WiFi network and garage door opener into an single integrated smart device, then you can open & close your garage door by a simple clicking on your smartphone.  2. Timing Schedules: You can set schedules and timers to open & close your garage door. Manage your garage door easily.  3. Voice Control: It can achieve voice control for Amazon Alexa/Echo, for Google Home/Nest IFTTT, very convenient.  4. Device Sharing: You can share it to your family and friends or visitors, OF COURSE, you can take back the permissions at any time.  5. History Record: You can check the garage door opening or closing history records on your APP to ensure the safety of your garage.    Specifications:  Suport APP: For eWeLink APP;  Power Supply: DC 5V;  Action time : 3-15mm;  Wireless Standard: IEEE802.11b/g/n;  Wireless Type: Only 2.4GHz, not support 5G;  Mobile Phone: eWeLink For android & IOS;  Voice Control: Support;  Installation: with Screws/Stickers;  Sensor Wire Length: 5M;  Material: ABS+PC;  Working Temperature: -10℃ ~ 50℃;  Item Size: Approx. 6.1 x 4.5 x 2.2cm (L x W x H);    Easy Installation:  1. Power up the device with DC 5V adapter and micro USB cable.  2. Connect the Red & Black wires to your garage door opener: Put each end to the same terminals as the wall button wires are terminated to.  3. Connect the sensor and install steady on the garage door with screws/stickers/bracket and so on.  4. Control the device on your smart phone.    Package Included:  1 x GD-DC5 WiFi Smart Switch Garage Door Opener,  1 x Door Sensor,  1 x 2.0 2P Wire,  1 x Micro USB Cable,  1 x Set of Mounting Accessories(Gums,Ties,Bracket,Wall Nails, Line Holders,Screws),  1 x User Manual