SEC-SD-997A-GBQ Please log in to see price or purchase this item Quantity discounts available QuantityPrice SKU: SEC-SD-997A-GBQ MANUFACTURER: Seco-Larm Product Details Electric Deadbolt Fail-secure Operation, 12/24 VDC operation, similar to SD-997B-GBQ but fail-secure, incorporate manual lock/unlock cylinder to opera... Product Details Back Product DetailsElectric Deadbolt Fail-secure Operation, 12/24 VDC operation, similar to SD-997B-GBQ but fail-secure, incorporate manual lock/unlock cylinder to operate lock if power is lost.