This keyless entry door lock can set to be locked automatically in 5s after the door closed while you leave home in hurry. It provide an more secure and privacy space option for you. 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. Unlock your door in split seconds via Fingerprint + Passcode + IC Card + Mechanical Key + App Control. Features a built-in Doorbell button on the panel—eliminating the need for an extra doorbell. Constructed with premium Aluminum Alloy for durability 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