An electric deadbolt, electric door opener or electric strike is an access control mechanism. It consists of a latch attached to an electromagnet, which unlocks the lock, allowing the door to open to allow passage.[1]​.

In places where there is more than one home, the street caller, also called Push Button Plate or simply Street Plate, is made up of a certain number of pushbuttons (usually one per home) with the label next to the home or apartment number or the name of the tenant. To open the door, a button is usually pressed, which activates the electromagnet so that it releases the latch.

These electric locks are usually mostly in hotels to provide the privacy and security of the hotel customer.

They usually work with special cards with sensors that when you insert the card, the electric lock detects it through magnet sensors and the lock automatically unlocks.

Originally patented in New York in 1880.

Additionally, a Frontal that holds the strike plate is necessary. This Frontal is the piece that is installed in the door frame to protect the striker and fit with the door lock.

There are several types of strikers depending on where they are going to be installed.

On the other hand, there are 2 types of electric strikes or door openers:

The strikers offer different functionalities: