Smart Door Lock, Keyless Entry Door Lock for Front Door, Yamiry Digital Keypad Door Lock with Handle, Electronic Auto Door Lock, Ideal for Home, Apartment, Office, IP66 Weatherproofing, 【Keyless Entry Lock】4-in-1 Smart Lock：APP+Codes+IC Cards+Backup Keys. Multiple keyless ways to access as you like, easier and faster to unlock than fumbling with keys. Great facilitate for hosts, rental property management, and self-housing resident., 【APP Control/WiFi Access】 You can easily set up the app, instantly Authorize Admin, Share E-keys or Generate Codes for your family, friends, and tenants. Get rid of the hassle of handing over your keys face to face. And if pairing with Wifi Gateway (Sold Separately), you can benefit from remoting unlock/lock anytime, anywhere., 【Hight Security】Our locks have an IP66 weatherproof rating suitable for front door use, withstanding extreme weather. 4*AA batteries (Not Included) can be up to 1 year of normal use. Designed with a low battery alert and emergency charging port allow you worry-free about it failing to use., 【Install in Minute】 Installs in a minute with just a screwdriver, no extra drills and expensive locksmiths, you can easily install it on your existing latch following the instructions or videos. The smart door handle is reversible for both left-handed and right-handed doors. Fits Door Thickness: 1-3/8"" to 2-1/8""(35mm-55mm)., 【Reliable Warranty】Yamiry can provides 30-Day Money-Back Guarantee and a 1-year lock warranty including Replacement & Lifetime Professional Technical Support. Any questions please do not hesitate to reach us. We will assist you within 24 hours., ,