NO Bluetooth ! NO NFC! NO Wifi! Mobile Key Lock by McPO (Eng)

Smart mobile phone unlock (APP)： You can share unlock key anywhere , anyway!!! Unlock by your smart mobile (Iphone or Android) You can use proximity card also. No NFC!! No Bluetooth!! No QR code!! Setting easily. Alert when door unlocking 4pcs AA batteries only Each user have their own independent password or proximity card.Smart & privacy! With external emergency power supply function Suitable: Hotel、Office、Apartment、Hostel、building、Factory........