Note: Batteries not included

Upgraded SMG-8112,Newly added features

1.New App remote control function, wifi connection required.

2.Compatible with Alexa & Google Home，Enabling voice control.

3.Three models， Self-locking, Interlocking ,Inching.

4.Two voltages for a wider range of use，AC 85-250V no output

5.WIFI network is disconnected. The remote control still works fine

6.RF+Tuya Wifi Universal 433MHz Garage Door Receiver

7.For Fixed Code Rolling Code 433mhz Transmitter