Automatic
An automatic door closer (more often called a "door opener") opens the door itself, typically under the control of a push button, motion detector or other device, and then closes it as well, typically employing a motion or proximity detector to determine when it is safe to close the door.
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LCN 2215-STD Overhead Concealed Mounting High Security Closer
The 2215 closer is specially designed to provide precise door control control, resist tampering and abuse, and interface with security monitoring systems. Based on LCN's concealed single lever arm closer, the 2215 combines heavy duty components and a built-in door position switch to provide high security. Learn More
