Door Security & Access Control Electric Bolt Drop Deadbolt Door Lock, NC Mode Electronic

This electric deadbolt drop bolt lock operates in a normally closed fail-safe mode on DC 10V to 18V power and features a door close time delay that engages once the door fully stops moving. Constructed from aluminum alloy and stainless steel, it measures 200 by 35 by 40 millimeters and provides a securing mechanism for residential and institutional entryways. 1. Features a high-strength aluminum alloy housing and stainless steel bolt designed for low-temperature operation and rated for 500,000 locking cycles. 2. Supports delayed engagement settings of 0, 3, or 6 seconds and fits wooden, glass, metal, and fireproof doors. 4. Operates at 85mA working current with an 850mA instantaneous draw, suited for standard electronic locking applications. 5. Contains one electric mortise lock, one instruction manual, one installation size sticker, a set of fixing screws, one ordinary fixed board, and one magnetic fixing plate for mounting.