Features:1. A smart device through combination of WiFi and garage door opener. Control and monitor anytime anywhere to open and close your garage door conveniently.2. Open your garage door through command on APP for IFTTT or SMart Life, or through voice command on smart assistant device for Alexa and Google.3. Support automatically inducing vehicles to control garage door. You can check whether the garage door is open or not on APP without getting out of the car.4. Multi-user access and remote monitor. You can authorize people access to your garage in case of guest visiting while you are not home and get informed when you forget to close the garage door.5. Require 2.4 GHz WIFI connection and can be easily installed without professional staff. Compatible with almost all garage door openers.Specifications:Voltage: 100-240VWiFi: IEEE 802.11b/g/nPhone System: For IOS AndroidAPP: For IFTTT Smart LifeGarage Condition Checking: SupportMaterial: ABSPackage List:1 * Garage Door Controller1 * Installation Bag1 * User ManualNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.