The primary function of the Smart Door is to keep homeowners safe from break-ins, fire, and other accidents. In addition, it incorporates weather and thermal sensors; it is integrated with thermal and video cameras. This door reminds the owners to take an umbrella if it is raining or when precipitation is predicted. The door watches over those who are inside and watches out for those outside. It knows its owners, determines pets and owners can even use it to set reminders for dog walking. Full smart interaction is possible with the Smart House System. With a mobile phone or a tablet application, one can use the system to control and monitor the house. The basic functions include: a safety lock, full length camera view of visitors, changeable Smart Door designs and colours, a protection system for children, a full report on the movements in and around the house, etc. Smart Door will be an excellent assistant to a man’s life.