You can open door from your mobile phone app "tuya smart" remotely.
1) Wide angle camera 110°, 1080P, 2.0MP.
2) With 1/2/3/4 buttons for 1/2/3/4 users(extra USD1 for 2 buttons,extra USD2 for 3 buttons,extra USD3 for 4 buttons). with IC card unlock function.
3) Aluminium panel, silver/black color.
4) IR LED offset lighting for night vision.
5) Waterproof IP65, anti vandal design.
6) Call,talk,unlock functions.
7) With nameplate.
8) Flush mounted, with flush mounted box. For option: surface mounted,USD3 for surface mounted box.