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People usually forget to turn off the lights when they left home hurriedly.It will creates waste. The smart lock has a indicator light in the handle of door,when the lamps havent been turned off,the indicator light will turn red,You just need to put the key in the lockhole, turn it,and the light will been turned off. Dont need to come back the room and turn off the lamp.
The smart lock dont only take convenience to our lives ,but also is a product for environmental protection and it can reduce the wasting
of the electric energy
Zhejiang University of technology
Hangzhou, China
Wei Huang
Zhejiang University of technology
Hangzhou, China
Guangguang Dong|Xiao Ling|Haibo Deng