... setting 4.ISO9001:2008 Electric Dead Bolt/Electric Mortise Lock /Electric Bolt Lock for Glass Door 12V, Electronic Lock for Glass Door, Electric Drop Lock 1.Type: fail ... : unlock by power fails 0S,3S,6S,9S are available open lock by access control system 3S,6S,9S,15S are available ... extension bolt is 15mm 7.Shake-proof,Anti-theft:The lock can increase current to keep the latch locking state and ...