Size:2 Actuators These power door lock actuators can provide a power door lockto a door that has manual door lock. The actuator responds to electricalsignals from the alarm or keyless entry system and physically moves thevehicle’s door locking rod to a locked or unlocked position. One of theseactuators will be needed for each door you want to control. Each 2-Pack ofActuators Includes: (2) Actuators (2) 6.75′ Mounting Straps (2) 8.5’Connecting Rods (4) Self Tapping Screws Additional Pictured Hardware