Fail-safe Electric Deadbolt, for concealed deadbolt security. Door unlocks when power is lost. Dual voltage: 12/24 VDC. SECO-LARM Electric Deadbolts add concealed deadbolt security to most wood or hollow metal doors, with the convenience of electrical operation. They are designed for hollow metal door frames and not recommended for wooden door frames, though the door can be wood or metal.

Features:

• Dual voltage – 12/24 VDC
• Stainless steel for strength and long life with stainless steel bolt, 5/8″ diameter, 5/8″ throw
• Magnetic switch senses door position for positive locking
• Door open/close monitor (NO/NC/COM)
• Adjustable door lock delay timer
• Shallow design for use with most metal door jambs
• Powered by a solenoid
• Attempts to relock multiple times if the door is not closed properly