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The door could also be locked or unlocked via an SMS "key" for those without smartphones. [5] All models of Lockitron allowed for a traditional lock which continues to work with traditional metal keys. [6] When a metal key was used, some models of Lockitron sent a notification to a smartphone. [7]
Historically, such locks were intended for use at night-time, hence the name. [5] The keyless egress that they offer is a valuable fire safety measure, but may be a security risk if breaking a glass panel (usually in the door) or a nearby small window allows an intruder to reach the knob inside and open the door from the outside.
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 ...
A keycard lock is a lock operated by a keycard, a flat, rectangular plastic card. The card typically, but not always, has identical dimensions to that of a credit card , that is ID-1 format . The card stores a physical or digital pattern that the door mechanism accepts before disengaging the lock.
The sixth generation Buick Electra (1985-1991) featured a sill-mounted keypad for model years 1985-1988, superseded in 1989 by GM's remote keyless system. Nissan offered the a keypad technology on the 1984 Maxima, Fairlady, Gloria and Cedric, essentially using the same approach as Ford, with the addition of being able to roll the windows down ...
Many combination locks have three wheels, but the lock may be equipped with additional wheels, each with a drive pin and fly, in a similar manner. The number of wheels in the mechanism determines the number of specific dial positions that must be entered to open the lock, so a three-sequence combination is required for a three-wheel lock.