SEC-SD-997B-GBQ Please log in to see price or purchase this item Quantity discounts available QuantityPrice SKU: SEC-SD-997B-GBQ MANUFACTURER: Seco-Larm Product Details Fail-safe Electric Deadbolt, for concealed deadbolt security. Door unlocks when power is lost. Dual voltage: 12/24 VDC. Product Details Back Product DetailsFail-safe Electric Deadbolt, for concealed deadbolt security. Door unlocks when power is lost. Dual voltage: 12/24 VDC.