DC 12V 5 Lines Electric Bolt Lock Narrow Deadbolt Drop Bolt Door Lock with Time Delay LED Display for Door Entry Access Control (Power Off Unlocking) - Amazon.com
BRASS 5 LEVER DEAD BOLT FRONT DOOR LOCK 2.5" ERA Mortice Fortress Entrance Latch | eBay
Ajustlock 5 in. Stainless Steel Extra Heavy-Duty Barrel Bolt 250 - The Home Depot
Door Bolt Lock, 2-inch Plastic Sliding Barrel Keyless Latch w Switch Button, 5 Pcs (Black) - Walmart.com
Mini Electric Solenoid Bolt Lock Fail Safe Stainless Steel with 5 wires feedback lock - ِAbhir-Online