INSTALLATION b. Scan App friends'QR code . Fixation method Two methods of fixation a. Installation on the wall through the screws and the anchors 千... < � • ,.叩c 回 沁'"'"''""'如 ,.. ,._心 "'叩coo, I归•" 釭心..,心,,归•= @红心“心,c� 心 " C中立六心 &吐··-··· 0 n贮知"•••oo• ® �,,... 』 .一 0 i ( �"'°'山山 ) b. Installation on the handles through the shackle Authorization via device QR code Friends could scan the device QR code to send the Authorization Requests to your account.