Automatic Door Locks with Automatic Power Door Locks Yard Door Anti-theft 12-24V Electric Door Lock 3*Rolling Teeth Auto Yard Gate Opening Iron Black

This small control board 12-24 Volt AC/DC powered relay can be used for other gates/garage door operator brands. The automatic electric lock unlocks and locks automatically as an electronic gate is activated to open and close (depending on standard 12V/24V gate outputs). The blue and white adjustable resistance on the board is used to adjust the delay time: The minimum is 2 seconds counterclockwise and the maximum is 6.5 seconds clockwise. When the door lock is working, the DS33A will power on, the relay absorbs and closes, and the delay begins. When the delay time reaches, the relay is disconnected. Three Rolling Teeth,The electric door lock features a three-rolling tooth closure design, making it easier and more secure to close the door. This electric gate lock features a small controller allowing you to easily operate it remotely,The manual keys are included to enable manual operating during a power outage or when you lose the remote，It works with most single or double swing gate openers, as well as most other brands of 24V gate opening systems.