The milli family's smart door lock, a high-tech smart door lock launched by the milligroup, was developed by the rice id design team, using a secure, high-quality smart lock core, with seven internal security sensors that allow both security monitoring and special alarm features to be used in a highly secure manner. The smart door lock was officially launched at the end of last year to support six different ways of unlocking, such as fingerprinting, cotton plastering, bluetooth unlocking and micro-lettering. The smart lock uses sapphire mass panels, colours are more beautiful, design with real cores, enhances the security of doors locks, prevents the outlaws from unlocking the internal structure, and requires matching keys to complete the lock. The lock also provides an electromagnetic interference protection design, and when foreign objects are inserted into the core of the lock, the lock makes a sound of alarm and provides a different reminder to the user. The price of this lock is low, only $1299, with an extremely high value for money, a smart lock that is affordable to all. Since the launch of the market, it has won a wild purchase by a wide range of customers, with more than 100,000 users in use across the country and better feedback from customers. The mi mi family smart door lock downloads the rice family app, the internet connects to the bluetooth, and then locks the internal sensor matching, so that the cell phone has a clear idea of the state of the switch on the home door lock, and the cell phone receives an unusual alarm when the local door lock is in an abnormal state. The software can also be linked to multiple intelligent homes, allowing for the opening of air conditioners, the closing of air purification units, the automatic opening of door lights and so on, allowing customers to experience modern intelligent lives. The battery is powered by the smart door lock of the milli family, which can normally be filled with batteries for a year and a half and, when in a low-power state, a reminder is sent that the recharge needs to be completed in a timely manner. It also provides usb interfaces that can be used for emergency charging in case of failure to open doors in a timely manner. The company offers free door-to-door installation services, and the personnel of the installation team receive specialized technical training, installation is fast, on-site commissioning is conducted to guide customers on how to use it properly。