... 2.Chinese digital keypad lock manufacturer 3.by code,mifare card to open 4.CE,MA,ISO9001 electronic keypad lock #G350MF ... Onlene electronic keypad lock 1.By fingerprint,digit code,RF card,mechanical keys,visible,talkback,remote and etc.to open the ... , Automatic backlight,Built-in doorbell, Convenient for visitors.3.OLED liquid crystal display,easy for operating.4.Core structural elements of lock ...