The DYNALOCK-2011DSM is a surface mount 2000 series electromagnetic lock for outswing doors.The lock is outfitted with a door status switch that signals when the door is closed or open. Boasting a 1200 pound holding force and a clear anodized finish, the lock has an adjustable mounting and an upgradable circuit board. Also known as -Dynalock Corp SNGL ELC MAG LCK DOOR STAT SWT - DY-2011DSM