UHPPOTE 2-Door Interlock Airlock Access Control Relay Module for Bank/Prison

This UHPPOTE Interlock Airlock Access Control Relay Module is perfect for controlling two doors, such as those found in banks and prisons. It is made of high quality elements and has a superb design. It is suitable for fail-safe electric locks with signal output and is easy to install. This module is the ideal choice for interlocking door control projects as it is professional and durable. When the first door is opened and closed properly, the second door will open. This module is a great choice for any door control project.