Function: RFID identification and other technologies were born in last century. After years of development and improvement, the technology is quite mature. The data obtained by RFID carries the user information background, thus realizing the overall management and operation. Government and enterprises are the main operators of both. By searching for bookcases, we can see that since 17, some local governments have chosen to borrow and return bookcases independently and enjoy bookcases and other products, and their ideas are the same. It is to let citizens borrow books anytime and anywhere to improve their cultural literacy; Finally, I'll send it downstairs to you. The floor space is actually not very large.