this is a tool open door lock .
the video in url :https://lockkey.oss-cn-hangzhou.aliyuncs.com/tcxj/ios_videos.mp4 demo the app that how to work.
this is a tool open door lock .
the video in url :https://lockkey.oss-cn-hangzhou.aliyuncs.com/tcxj/ios_videos.mp4 demo the app that how to work.