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2. Night latch - Wikipedia

   en.wikipedia.org/wiki/Night_latch

   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.

3. Window well - Wikipedia

   en.wikipedia.org/wiki/Window_well

   By making it possible to put in a larger window, the window can act as a safer emergency exit in case of fire as well as letting in additional daylight for the enjoyment of the people inside. Such a (basement) window where people can escape through in case of an emergency is sometimes called an egress window. [1]

4. Exit control lock - Wikipedia

   en.wikipedia.org/wiki/Exit_control_lock

   Many exit control locks are based on magnetic locks. One type, delayed egress magnetic locks, will not allow the door to open immediately. This allows a guard to get to the door before the door opens. It will also release if there is a fire alarm or power failure, but otherwise these locks hold the exit doors shut. These units are common in ...

5. Window security - Wikipedia

   en.wikipedia.org/wiki/Window_security

   The term window security may refer to any of a range of measures used to avoid unauthorized access through windows, and prevent crimes such as burglary and home invasions. Window security is used in commercial and government buildings, as well as in residential settings.

6. Electric strike - Wikipedia

   en.wikipedia.org/wiki/Electric_strike

   This is exactly the same principle as a child safety door lock which is installed on car doors. Electric strikes on AC allow someone outside the door to hear when the door is open. The buzzing noise is typically made by applying alternating current (AC) to the strike instead of direct current (DC). When using a DC powered strike, the sound is ...

7. Physical security - Wikipedia

   en.wikipedia.org/wiki/Physical_security

   Door locking hardware - Electrified locks, electric strikes, or maglocks physically secure doors and release when valid credentials are presented. Integration allows doors to unlock when authorized. Request to exit devices - These allow free egress through an access point without triggering an alarm.