Electric Door Strike for metal doors. 12VDC, Fail-safe (door unlocks when power is lost), Seco-Larm, Mfr#: SLM-SD-995C

Seco-Larm: Electric Door Strike for metal doors. 12VDC, Fail-safe (door unlocks when power is lost) or fail-secure (door locks when power is lost) operation. Indoor use only. ANSI-sized: 4?"x1