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 and IOS Colour:As Shown Material:ABSandPC Package Contents: 1 x Controller 1 x Screw Pack 1 x Double-sided Tape 1 x 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia