High-security biometric/fingerprint left and right open smart door lock, card swipe, touch screen password Phone App unlock, and standard-key. Other functions include intelligent anti-theft, scramble pin code, and usb emergency charging function, which keeps your house away from danger and theft. This door lock can be used on all doors, bedrooms, living rooms, offices, hotels, etc. It uses semiconductor fingerprint recognition, which can recognize and open the door successfully in less than 0.4 seconds. Meanwhile, it has a very high fingerprint recognition rate, both for the elderly and children.