Aibocn Smart Lock, Keyless Entry Door Lock with Alexa Voice Control, Electronic Deadbolt Lock, Touchscreen Keypad, Weatherproof Door Lock with Fob, Code, Key, Auto-Lock for Home Apartment Hotel, ??【keyless entry door lock make faster】The smart locks for front door: Fob+ Passcode + Mechanical Key + Voice Control(need gateway). When your arm is full of groceries, one-touch unlocking can be much easier and faster than fumbling for keys. More importantly, the smart lock works with most standard residential wood doors (wood doors are 1.49'' to 1.89"" thick). So the smart door lock is perfect for houses, apartments, Airbnbs., ??【multiple protection mechanisms make safer】 The smart lock has the protection function of automatic locking, the door lock will automatically lock at a fixed time (5-900 s, customizable) after unlocking. Moreover, the smart door lock support virtual code to prevent peeping. More importantly, after the fifth failed password/fingerprint entry, the deadbolt smart lock will sound an alarm. So our lock greatly improve your home safety., ??【Voice/Remote control make convenient】 With a Aibocn gateway (sold separately), you can lock/unlock your electronic door lock anytime, anywhere, and you can also voice unlock smart deadbolt with Alexa/Google Assistant. So you don't have to worry about the problem of locking and unlocking when you are away., ?【High quality door lock make durable】 The keypad door lock is made of zinc alloy material, so it can withstand most weather conditions against such as snow, rain, direct sunlight. Suitable for outdoor and indoor. What's more, the digital door lock requires 4 AA batteries (not included), provide 8000 openings(6-12 months). The low voltage reminder function can remind you to change the batteries. Equipped with 9V battery for emergency unlock. Never be locked Out., ??【DIY installation make easy 】 With just a Phillips screwdriver, watching a short installation video and reading the owner's manual, the keyless door lock can be easily installed in 15 minutes. No need for a locksmith, no need to connect any wires, very easy to operate. If you have any questions, please feel free to contact us. We are committed to giving customers the best after-sales service. We will solve the problem for you within 24 hours., ,