This is an intelligent garage door controller, you can open/close and monitor your garage door or gate from anywhere. It will make your home smarter. You can open or close the garage door by the APP, and authorize multiple people you trust to access your garage. You can activate your garage door opener by placing a voice Compatible with or Home. Can be connected to an alarm and will activate the alarm system when the garage door is opened by a . You can check whether the garage door is open or not on APP without out of the car. When the garage door is opened or closed, it will remind you in time to make your life safe. Quick and easy installation and convenient operation. type: US (315-390mHz) Colour:White Material:plastic Package Contents: 1 x Smart Garage Door Opener Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.