[5-1 Ways to Unlock] The keyless entry door lock deadbolt with handle set has in-built fingerprint sensor so you can use one touch to unlock the smart door lock. Also you can unlock it with app on your phone(easy to set), ic card, mechanical key and dynamic password(app is easy to manage). It can prevent peeping and has remote authorization. App always keeps unlock records. | [High Quality] The keyless entry door lock has safety chip and is made of durable material. A great solution to all doors for home, hotels, rentals and apartments. The classic keypad buttons is big and suitable for most people including elders and the lock body is aluminum alloy. | [Secure Smart Door Lock] The GUDLAIF smart lock supports anti-peeping virtual password. When unlocking, you can add any random code before and after your unlocking password. Also, app Ttlock can offer remote monitoring and let you easily know who and when and how to unlock the lock(Requires the use of a Gateway). All unlocked records will also be synchronized to the app. | [Humanized Design] If the power goes out, you can access the door with a key. The GUDLAIF digital door lock has an emergency power supply input socket so you can charge it just in case. Door handle is reversible for both left and right handed doors. Easy installation, easy do-it-yourself installation in minutes with just a phillips screwdriver. No extra drills needed. | [Landlords and Property Managers' Ideal Choice] Simplify your management tasks effortlessly and efficiently. Our smart lock solution is tailored for landlords with multiple properties, making it the ideal choice for Airbnb hosts, short-term rental managers, apartment administrators, and homeowners alike. Seamlessly manage and monitor a large number of smart locks through a single application, providing an economical, efficient, and convenient solution.