Amazon.com: NC DC 12V, ZOTER Electric Drop Bolt Door Lock Deadbolt Strike Fail-Safe Mode : Tools & Home Improvement
VIS-DP100-FSA - Electric Drop Bolt Lock 1700lbs Dead Bolt with Time Delay Fail Safe Normally Closed - Visionis
DC 12V 24V Electric Drop Bolt Lock Door Access Control Delay Adjustable : Office Products - Amazon.com
Bewinner Electric Magnetic Mortise Lock, DC 12V Auto Bolt Lock Induction Door Lock for Access Control,Electric Deadbolt NC Door Lock, Adopting NC Mode - Amazon.com
SDC 160IV and 260HV Mortise Bolt Locks, auto relock switch
SDC 280AHV Conventional Direct Throw Surface Mount Electric Bolt Lock, Failsecure, Dull Aluminum
Black & Decker (Kwikset/WeiserLock) 1166 Powerbolt 1000
FPC-5387 Electric Drop Bolt Lock With Key Cylinder 2,200lbs with LED and Time Delay Fail Secure Normally Open Dead Bolt With Power Supply - FPC Security - Maglocks kit - Visionis
SDC 110IV and 210HV Mortise Bolt Locks
12V Low Power All Metal Fail Safe Electronic Bolt Lock - China 12V Electric Drop Bolt Lock and Electric Bolt Lock Fail Safe
UHPPOTE 12VDC Electric Drop Bolt Lock Key Open Fail Secure W/Cylinder Time Delay - Amazon.com
FPC-5386 Electric Drop Bolt Lock 2,200lbs With LED and Time Delay Fail Secure Normally Open Dead Bolt with Power Supply - FPC Security - Maglocks kit - Visionis
Source DC 12V Narrow Door Dead Bolt Lock/Electric Drop Lock NO/NC Type door deadbolt on m.alibaba.com
Kwikset Powerbolt 907 Keyless Entry Deadbolt Electronic Door Lock, 6 Button Keypad, Auto Locking, with Keyed Pick Resistant SmartKey Re-Key Security Technology, Satin Nickel - Amazon.com
Electric Lock Access Control | Electric Door Bolt | Door Lock Electric - 12-24v Panel 5 - Aliexpress
LPSECURITY Low Temperature Electric Bolt Lock 2-Lines DC 12V Heavy duty Fail Safe Drop Gate Door Access Control Security system - AliExpress
Electric Lock Cylinder Key | Electric Bolt Lock | Emergency Key - Dc12v Fail Secure - Aliexpress
DC12V Glass Wooden Door Electric Drop Bolt Magnetic Door Lock for Access Control | eBay