SDC 1090/1290 Series Spacesaver Electric Bolt Locks
SDC 1190 Series - Spacesaver Heavy Duty Right Angle Electric Mortise Bolt Lock, Failsafe
SDC 1091AIV SpaceSaver Aluminum Finish Electric Bolt Lock, Narrow Mortise, 12/24 VDC, Failsafe for 1-3/4" Frame (Pack of 1) - Home Security Systems - Amazon.com