Enjoy the convenience of multiple unlocking options including fingerprint, smart card, password, key. Smart door locks completely eliminate the hassle of forgetting or losing keys. Supporting multiple unlocking methods such as fingerprints and passwords, they are easy for the elderly and children to use, making daily entry and exit more convenient t. Never worry about being locked out due to a dead battery. this smart lock features an emergency key hole and usb port, allowing you to use a mobile power supply or mechanical key to unlock the door. The smart lock is made of sturdy aluminum alloy material to ensure the highest quality and durability to prevent any possibility of forced unlocking. In the event of forced unlocking or attack, an alarm can be triggered to scare away suspicious persons. This smart door lock it also fits various framed aluminum alloy doors, sliding doors, and more—perfectly matching door locks for front door needs, plus wooden doors, anti-theft doors, copper doors, and stainless steel doors., Manufacturer: FOELANNE