Seco-Larm SD-997B-GBQ Electric Deadbolt/Fail-Safe, Adds concealed deadbolt security to most wood or hollow metal doors with the added convenience ofelectrical operation, Fail-safe operation (unlocks if power is lost)
SECO-LARM SD-997B-GBQ Electric Deadbolt/Fail-Safe, Adds concealed deadbolt security to most wood or hollow metal doors with the added convenience ofelectrical operation, Fail-safe operation (unlocks if power is lost)
SECO-LARM SD-997B-GBQ Electric Deadbolt/Fail-Safe, Adds concealed deadbolt security to most wood or hollow metal doors with the added convenience ofelectrical operation, Fail-safe operation (unlocks if power is lost)
Key Features
Adjustable door lock delay timer (0, 2.5, 5, or 9 sec)
Control wire allows release without cutting unit's power
Magnetic switch determines door position for positive locking
Solenoid attempts to lock several times and then shuts off if door not closed properly to prevent burning out
Use with an optional digital keypad for high security without a key