| 摘要 |
A system for electronically and remotely activating a deadbolt lock to actuate and either extend or retract a deadbolt into a door or barrier. The system can be activated by remote control or by a manual knob. The system is constructed so as to fit on any standard single cylinder, cylindrical deadbolt system and utilize the existing deadbolts keys. The system can be used in homes, apartments, or other buildings.
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