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Visual doorbell / doorbell

Visual doorbell
Visual doorbell

The visual doorbell is used to solve the problem of hearing impairment, because the growth of age and some diseases will lead to the elderly or people with hearing impairment can not hear the knock in life, so they always cause family worries and a series of inconvenience because of this problem. Visual doorbells solve this problem by converting sound into light. It can identify family members or other people by fingerprint input. Supporting lamps can also be used in a variety of ways, easy to use.


Liaoning Petrochemical University

Liaoning Petrochemical University
Fushun, China

Lin Zhang,
Liaoning Petrochemical University

Menghua Wang,
Liaoning Petrochemical University

Kun Xu,
Liaoning Petrochemical University

Lantong Zhang,
Liaoning Petrochemical University