Real-time monitoring, check the garage swing door status at any time through the APP Two control methods - remote control and voice control Family sharing: You can share device control with your family through the Share Device function in the APP Rich functions: timing/countdown and other option settings Simple installation Working with:for alexa, for home AC power:12V-24V Wireless standard:IEEE802.11b/g Wireless Type:Only 2.4GHz, not support 5G Mobile Phone: Tuya/Smart Life for android & IOS Colour:As Shown Material:ABS+PC Package Contents: 1 * Controller 1 * Screw Pack 1 * Double-sided Tape 1 * English instruction manual 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.