eWeLink 433MHz Wireless Remote Controller

Features:
*It has the button of arm, disarm, home defence and SOS, so you can operate remotely.
*4 buttons to operate 4 different garage doors, electronic rolling gates or retractable doors with RF 433MHz.
*Latest modern design and technology, which is equal to a simply smarter and unique remote.
*You can still keep and use your original factory remotes as well as the additional one, if your original remotes allow multiple remote control encoding.
*Codes into your garage door in less than 30 seconds.
*Compact design with key-chain, easy to carry and keep.
*Work with other Sonoff RF 433Mhz controlled devices, such as Sonoff RF, Sonoff 4CH Pro, Sonoff T1 UK 1CH/2CH/3CH, Sonoff RF Bridge 433, etc.