Athpell Electronic Keypad Deadbolt, Keyless Entry Door Lock with Handleset, Auto-Locking, Anti-Peeking Password, Back Lock Function, Front Door Lock Set, Zinc Alloy Smart Door Lock, Oil-Rubbed Bronze, ?【Ultimate Security Keyless Entry Door Lock】-Athpell is designed to protect personal privacy and provide ultimate security for every customer, this front door lock set provides 20 user codes and each user code can be set to any combination of 4-12 digits. You can assign it to your family and friends for permanent or temporary use., ?【Auto-Locking】-Tired of worrying that you forgot to lock the door when you rushed out of the house? Not anymore! Athpell smart door lock automatically locks itself according to your specifications from 10 seconds to 99 seconds after closing door. whether leaving home early or getting home tired from a long day at work you can always rest assured that our smart lock has locked and you are safe. Of course, you can always use the manual One-Press Locking feature., ?【Anti-peeking Password】-This smart door lock Introduced the anti-peeking function: when someone tries to spy on your password, you can confuse spies by entering random digital quickly + the correct password. No need to worry about leaking information or changing passwords, provide security for your home., ?【High Quality & Back Lock the Door Function】-The keyless entry door lock with handle is made of high-strength, corrosion-resistant zinc alloy with IP65 waterproof providing a higher level of protection for your home. The important point is that the ""Back Lock the Door Function"" will provide ultimate protection when you or your child are alone at home, that means locking the door from inside the house, and anyone can not open the electronic door lock from the outside., ?【Easy Installation & Reliable Brand Service】-Adjustable latches fit most standard door sizes. Accessories for door locks and handles are labeled for easy identification during installation. Registered for 3-Years Warranty Service, you can expect professional technical support and reliable after-sale service. We strive to ensure your product remains in excellent condition and that you are satisfied with your purchase., ,