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2. Electronic lock - Wikipedia

   en.wikipedia.org/wiki/Electronic_lock

   An electronic lock (or electric lock) is a locking device which operates by means of electric current. Electric locks are sometimes stand-alone with an electronic control assembly mounted directly to the lock. Electric locks may be connected to an access control system, the advantages of which include: key control, where keys can be added and ...

3. Padlock - Wikipedia

   en.wikipedia.org/wiki/Padlock

   Active electronic padlocks are divided into rechargeable electronic padlocks and replaceable battery electronic padlocks. The key of this type of electronic padlock is no longer a key in the traditional sense, but is unlocked through mobile phone Bluetooth, near-field communication (NFC), and fingerprint. Unlike active electronic padlocks ...

4. Time-delay combination locks - Wikipedia

   en.wikipedia.org/wiki/Time-delay_combination_locks

   A time-delay combination lock is most commonly a digital, electronic combination lock equipped with a delay timer that delays the unlocking of the lock by a user-definable delay period, usually less than one hour. Unlike the time lock, which unlocks at a preset time (as in the case of a bank vault), time-delay locks operate each time the safe ...

5. Houston-native to hand-out free electronic locks to families ...

   www.aol.com/news/houston-native-hand-free...

   On Saturday, September 28, from 10 a.m. to noon, Brundidge will partner with the Fort Bend County Sheriff's Office to hand out 100 electronic locks to families of autistic children who are looking ...

6. Combination lock - Wikipedia

   en.wikipedia.org/wiki/Combination_lock

   A Wordlock letter combination lock.. A combination lock is a type of locking device in which a sequence of symbols, usually numbers, is used to open the lock. The sequence may be entered using a single rotating dial which interacts with several discs or cams, by using a set of several rotating discs with inscribed symbols which directly interact with the locking mechanism, or through an ...

7. Smart lock - Wikipedia

   en.wikipedia.org/wiki/Smart_lock

   Smart lock. A smart lock is an electromechanical lock that is designed to perform locking and unlocking operations on a door when it receives a prompt via an electronic keypad, biometric sensor, access card, Bluetooth, or Wi-FI from a registered mobile device. These locks are called smart locks because they use advanced technology and Internet ...