1. New App remote control function, wifi connection required. 2. Compatible with for Alexa & Home,Enabling voice control. 3. Three models, Self-locking, Interlocking ,Inching. 4. WIFI network is disconnected. The remote control still works fine 5. RF+Tuya Wifi Universal 433MHz Garage Door Receiver Upgraded SMG-8112,Newly added features For Fixed Code Rolling Code 433mhz Transmitter Voltages:85-250V Colour:As Shown Material:Plastic Package Contents: 1 * receiver 2 * remote control 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.