This lock incorporates a clutch for vandal resistance and field selectable failsafe-failsecure, function, handing and voltage. It uses SDC manufactured mortise lockset and lever trim. It retrofits most major brand mechanical locksets. It comes with a failsecure option. It is an SDC Brand electrified mortise mode. It has a field selectable locked outside only or locked both sides. It comes with left hand reverse handing. It is compatible with SDC or Schlage lever handles. It is vandal resistant, lever Clutch mechanism and key latch retraction; It has a Dual 12/24VDC voltage input. It is ANSI/BHMA Grade 1 Heavy Duty; UL Listed for 3 hr ‘A’ label fire rated doors. It has choice of architectural finishes. It comes with a dull chrome finish. The brand is schlage. It’s one of the best found and could be easily compared with other similar products. It guarantees safety as it has undergone the best and stringent quality check by the quality and control team at state of the art facility at SDC. SDC a U.S. manufacturer of premium grade access control hardware specified by security consultants for prominent facilities worldwide. Recipient of 24 SIA Awards and Recognition for innovative products, SDC is also popular among integrators and manufactures for Private Labeling and Custom Product Design Services, from controllers to hardware electrification.