Smart Door Bell:
The use of tactics, such as the control of intelligent equipment, as well as the use of the same tactic, as the future intelligent image, can reduce the cost of purchasing an individual video device for the user.. This door bell video features such as a network camera, saved image of users, the ability to transfer contacts on mobile or tablet, as well as video calls between classes.A user from anywhere in the world can call a person who comes to his door to make a video call.
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