SEC-SK-990BQ Please log in to see price or purchase this item Quantity discounts available QuantityPrice SKU: SEC-SK-990BQ MANUFACTURER: Seco-Larm Product Details Fail-Safe Electric Door Strike for wood doors. Door unlocks when power is lost. Indoor use only. 12VDC/VAC. Product Details Back Product DetailsFail-Safe Electric Door Strike for wood doors. Door unlocks when power is lost. Indoor use only. 12VDC/VAC.