Buoan Keyless Electronic Entry Door Knob, Bedroom Door Knob with Keypad

Easy to Install and Use This digital door knob is very easy to install. All you need is a screwdriver and you can install this lock in 10 minutes. This keypad door lock is suitable in most standard doors in the United States.11 | Safe & Useful The keypad door knob enter lock is up to 8 changeable codes. Anti spy code encryption. With automatic locking retractor, the door will automatically lock behind you after opening for 3 seconds. (The automatic locking function cannot be turned off.) | Multi-Function The Smart door knobs can be used all year round and has a low power alert mode. An emergency power charger is included in the package, and the lock has a backup battery port that can be recharged at any time in case the battery runs out. | Smart Keyboard The lock key is backlit to prevent password peeking. And the lock button lights up so you can see the numbers clearly when you use lock at night. | Wide Applicability There is a wide range of application of this digital door knob and it can be widely used in all kinds of doors of different materials. This smart lock is suitable for different scenarios, bedroom, study, garage, basement, office, hotel, Apartment, etc.