European style,smart cards to smart locks;Only battery supply power,long uselife;Flexible management,easy to operate;Can support the network function,software,etc;Inductive,untouched,long service life; With mechanical key in support;The inside memory structure can store the data of 255 User Cards( For every lock, there is 255 users and the capacity can be bigger)and can save the last 500 unlocked

record for inquiry; Can be controlled by software  and support the  online-network- function; Widely applicable to hotel, guesthouse,office and household,etc;