Seco-Larm Enforcer Mini Surface-Mount Electric Deadbolt, Fail-Safe, 12VDC with Adjustable Lock Delay Timer – Model SD997B1SQ

Electric deadbolt for hollow metal or solid wooden door frames Surface-mount design for easy installation Senses door position for positive locking Fail-safe operation (unlocks if power is lost) Lock delay timer adjustable between 0 and 3 seconds Fail-safe unlocking operation in case of power loss for safety Compact surface-mount design suitable for wood and hollow metal doors Magnetic switch detects door position for positive locking feedback Durable aluminum alloy bolt, 15/32 inch (12.7 mm) diameter with 9/16 inch (14 mm) throw Automatically relocks 6 seconds after unlocking if door remains closed Door open/close monitor with NC/COM contacts Adjustable lock delay timer from 0 to 3 seconds for flexible security control Optional digital keypad compatibility for keyless access control Powered by a solenoid for reliable locking action