electric lock; electronic lock
A lock that is operated electrically, often used in building entry systems, hotel rooms, or security doors.
The entrance of this apartment building has an electric lock.
Unlock the electronic lock with a card key.
Often refers to an automatic locking system, commonly found in apartment buildings, which may or may not be electric.
Compound of 電気 (electricity) and 錠 (lock). The reading じょう for 錠 is the standard on'yomi.