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Our baby likes bouncing and tumbling on the bed.At the same time ,it is also the time that our parents to make sure our baby's safety.
Even when our baby sleeps ,they tend to tumble over unconciously ,and usually
theydon't realize the unsatety.they are not strong enough to protect itself ,thus every obstacle could thread thier life.The baby in the safety circle ,it quietly .But the baby crawls out of the safety circle,it will alarm. Mother discover timely to make sure baby' safety for the first time.signal to the monitor watch,thus to remind the mother to aware the baby's safety through the vibration.
zhejiang Sci-Tech University
Hangzhou, China
Li Feng
zhejiang Sci-Tech University
Hangzhou, China
Wang Dongdong
Xiong Xiaoming
Wang Xingchu