What are the brands of high-end smart door?

High-end smart door I know Chuangmai is very good, before in their physical store to experience their small white smart door H2, the appearance of the design looks particularly high, it is used in Chuangmai's own patented power supply technology, 24 hours of all-weather power supply, so that there is no need to worry about the traditional battery flammable, explosive, depletion and failure of the security risks. Love love love, already thinking about getting it.