Seco-Larm SD-997B-1SQ Mini Surface-Mount Electric Deadbolt, Fail-Safe Operation, Magnetic Switch Senses Door Position for Positive Locking, Lock Delay Timer Adjustable Between 0 and 3 Seconds The SD-997B-1SQ adds deadbolt security to cabinet doors or drawers with the convenience of electrical operation. Its miniature size and surface-mount design allows it to be added to almost any location. Fail-safe operation unlocks the unit when power is lost. Door status monitoring is also available to tie into a control system. Key Features - Fail-safe operation (unlocks if power is lost) - Surface-mount design for easy installation - Magnetic switch senses door position for positive locking - Aluminum alloy bolt, 15/32" (12.7mm) diameter, 9/16" (14mm) throw - Automatically relocks after 6 seconds if the lock was unlocked but the door was not opened - Door open/close monitor (NC/COM) - Lock delay timer adjustable between 0 and 3 seconds - Use with an optional digital keypad for high security without a key - Powered by a solenoid Specifications - Operation: Fail Safe - Current Draw-Standby: 237mA@12VDC max. - Current Draw-Active: 650mA@12VDC max. - Status Sensor: 250mA@30VDC (NC/COM) - Operating Voltage: 12VDC - Adjustable Delay Timer: 0/3 s (default) - Operating Temperature: 32º~158ºF (0º~70ºC) - Weight: 1-lb, 2.5-oz (450g)