Yes, we do sell opener with that ability. The customer has to install the App on their smartphone
Yes, there are several products and most use motion sensors and wifi connection for allerts. Your existing door if electric should already have the sensor .the more obvious remedy, get a camera ( ip) or use an old cell phone which I use for several scenarios and works well. Do a search for use old phone as camera in the Google play store or similar on line. Good luck.
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