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This is a remote control for the aged. Its principle is similar to the cars remote control. Old people can use it to open or close the door of their houses easily. When a visitor is knocking the door, it can remind the elderly who may has a poor hearing with its ring tones timely. There are two buttons in the front, a small light on the front-end, a light switch on the back and tone holes on the side. It provides a new way to open or close the door for the aged who have a complex physical condition.
Beijing institute of technology
Beijing insitute of technology