Suggestion: Portal Portable Hybrid

A mobile hybrid smart video calling – smart doorbell, its portable and is particularly easy to install and operate. The pocket-size device hangs from the top of a door much like an over-the-door hook rack. Projector and audio modules turn any door into an audiovisual viewscreen. Smart cameras, sensors and projectors on both sides of the door allows for human scale video calling with life-size virtual reality. It is also a portable smart doorbell to monitor inside and outside, to help you keep an eye on your pets and participate in cloud connected delivery services or remotely actuate smart locks from your smartphone. Because there are no fasteners, it is ideal for travel lodging and is renter’s landlord-friendly. This door top hybrid is suitably fitted atop a portal; the location is ideal for “threshold moment” media imprints for advertising, education, social networking and more. Smart home device owners report security of their home and family as the main motivator for their purchases.
I have more details if you are interested.